diff --git a/Basic Input and Output/Aman_And_Sharma.c b/Basic Input and Output/Aman_And_Sharma.c
new file mode 100644
index 0000000..edc01d4
--- /dev/null
+++ b/Basic Input and Output/Aman_And_Sharma.c	
@@ -0,0 +1,32 @@
+/*
+// Sample code to perform I/O:
+#include <stdio.h>
+ 
+int main(){
+	int num;
+	scanf("%d", &num);              			// Reading input from STDIN
+	printf("Input number is %d.\n", num);       // Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+    #include<stdio.h>
+    int main()
+    {
+        int d,r,x,choc=0,i;
+        float dist,da;
+        scanf("%d",&d);
+        for(i=0;i<d;i++)
+        {
+        scanf("%d %d",&r, &x);
+        dist=(2*22*r)/7;
+        da=100*x;
+        if(da>=dist)
+        {
+            choc++;
+        }
+        }
+        printf("%d",choc);
+    }
diff --git a/Basic Input and Output/Back_To_School.cpp b/Basic Input and Output/Back_To_School.cpp
new file mode 100644
index 0000000..337fc79
--- /dev/null
+++ b/Basic Input and Output/Back_To_School.cpp	
@@ -0,0 +1,18 @@
+#include <iostream>
+using namespace std;
+ 
+int main()
+{
+    int a,b,c;
+    cin>>a>>b>>c;
+    int max=c;
+    if(a>b && a>c)
+    {
+        max=a;
+    }
+    else if(b>c and b>a)
+    {
+        max=b;
+    }
+    cout<<max;
+}
diff --git a/Basic Input and Output/Cost_Of_Balloons.cpp b/Basic Input and Output/Cost_Of_Balloons.cpp
new file mode 100644
index 0000000..c3baa2b
--- /dev/null
+++ b/Basic Input and Output/Cost_Of_Balloons.cpp	
@@ -0,0 +1,75 @@
+/*
+// Sample code to perform I/O:
+ 
+#include <iostream>
+ 
+using namespace std;
+ 
+int main() {
+	int num;
+	cin >> num;										// Reading input from STDIN
+	cout << "Input number is " << num << endl;		// Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+#include <iostream>
+using namespace std;
+ 
+int main()
+{
+    int num_test;
+    cin>>num_test;
+    for(int i=0;i<num_test;i++)
+    {
+        int green,purple;
+        cin>>green;
+        cin>>purple;
+        int suma=0,sumb=0;
+        int number_of_players;
+        cin>>number_of_players;
+        for(int j=0;j<number_of_players;j++)
+        {
+            int a,b;
+            cin>>a;
+            cin>>b;
+            suma=suma+a;
+            sumb=sumb+b;
+        }
+        if(suma>sumb)
+        {
+            if(green>purple)
+            {
+                cout<<((green*sumb)+(purple*suma))<<endl;
+            }
+            else
+            {
+                cout<<((green*suma)+(purple*sumb))<<endl;   
+            }
+        }
+        else if(sumb>suma)
+        {
+            if(green>purple)
+            {
+                cout<<((green*suma)+(purple*sumb))<<endl;
+            }
+            else
+            {
+                cout<<((green*sumb)+(purple*suma))<<endl;   
+            }
+        }
+        else
+        {
+            if(green>purple)
+            {
+                cout<<((green*suma)+(purple*sumb))<<endl;
+            }
+            else
+            {
+                cout<<((green*sumb)+(purple*suma))<<endl;   
+            }
+        }
+    }
+}
diff --git a/Basic Input and Output/Count_divisors.cpp b/Basic Input and Output/Count_divisors.cpp
new file mode 100644
index 0000000..0c5223a
--- /dev/null
+++ b/Basic Input and Output/Count_divisors.cpp	
@@ -0,0 +1,34 @@
+/*
+// Sample code to perform I/O:
+ 
+#include <iostream>
+ 
+using namespace std;
+ 
+int main() {
+	int num;
+	cin >> num;										// Reading input from STDIN
+	cout << "Input number is " << num << endl;		// Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+#include<iostream>
+using namespace std;
+ 
+int main()
+{
+    int a,b,c;
+    cin>>a>>b>>c;
+    int count=0;
+    for(int i=a;i<=b;i++)
+    {
+        if(i%c==0)
+        {
+            count++;
+        }
+    }
+    cout<<count;
+}
diff --git a/Basic Input and Output/Goki_And_His_Breakup.cpp b/Basic Input and Output/Goki_And_His_Breakup.cpp
new file mode 100644
index 0000000..2ca6f15
--- /dev/null
+++ b/Basic Input and Output/Goki_And_His_Breakup.cpp	
@@ -0,0 +1,42 @@
+/*
+// Sample code to perform I/O:
+ 
+#include <iostream>
+ 
+using namespace std;
+ 
+int main() {
+	int num;
+	cin >> num;										// Reading input from STDIN
+	cout << "Input number is " << num << endl;		// Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+#include<iostream>
+using namespace std;
+ 
+int main()
+{
+    int n,minskill;
+    cin>>n>>minskill;
+    int set[n];
+    for(int i=0;i<n;i++)
+    {
+        cin>>set[i];
+    }
+    
+    for(int i=0;i<n;i++)
+    {
+        
+        if(set[i]>=minskill)
+        {
+            cout<<"YES"<<endl;
+        }
+        else{
+            cout<<"NO"<<endl;
+        }
+    }
+}
diff --git a/Basic Input and Output/Magical_Word.c b/Basic Input and Output/Magical_Word.c
new file mode 100644
index 0000000..5dcc680
--- /dev/null
+++ b/Basic Input and Output/Magical_Word.c	
@@ -0,0 +1,72 @@
+/*
+// Sample code to perform I/O:
+#include <stdio.h>
+ 
+int main(){
+	int num;
+	scanf("%d", &num);              			// Reading input from STDIN
+	printf("Input number is %d.\n", num);       // Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+    #include <stdio.h>
+    int next(int n)
+    {
+        int i,ans;
+        int d1,d2;
+        int k[12]={67,71,73,79,83,89,97,101,103,107,109,113};
+        if(n<=67)
+        {
+            ans=67;
+        }
+        else if(n>=113)
+        {
+            ans=113;
+        }
+        else
+        {
+            for(i=0;i<12;i++)
+            {
+                if(k[i]>n)
+                {
+                   d1=k[i]-n ;
+                   d2=n-k[i-1];
+                   if(d1<d2)
+                   {
+                       ans=k[i];
+                       break;
+                   }
+                   else
+                   {
+                       ans=k[i-1];
+                       break;
+                   }
+                }
+            }
+        }
+        return ans;
+    }
+    int main()
+    {
+        int t,i,n;
+        int temp,ne;
+        char ch[500];
+        scanf("%d",&t);
+        while(t--)
+        {
+            scanf("%d",&n);
+            scanf("%s",ch);
+            for(i=0;i<n;i++)
+            {
+                temp=ch[i];
+                ne=next(temp);
+                ch[i]=ne;
+                
+            }
+            printf("%s\n",ch);
+        }
+        return 0;
+    }
diff --git a/Basic Input and Output/Minimize_Cost.c b/Basic Input and Output/Minimize_Cost.c
new file mode 100644
index 0000000..cefbe88
--- /dev/null
+++ b/Basic Input and Output/Minimize_Cost.c	
@@ -0,0 +1,48 @@
+    #include<stdio.h>
+    #include<stdbool.h>
+    #include<malloc.h>
+     
+    int min(int a, int b)
+    {
+    return a>b?b:a;
+    }
+    long long Solve (long long k, int* arr ,int n) 
+    {
+    long long out = 0;
+    int i,j;
+    for (i=j=0; i<n ;i++)
+    {
+    if (arr[i]<=0)
+    continue;
+     
+    while(i-j>k)
+    ++j;
+    while(arr[i]!=0 && (i+k)>=min(n-1,j))
+    {
+    if(arr[j]>0)
+    {
+    j++;
+    continue;
+    }
+    int x = min(arr[i],abs(arr[j]));
+    arr[i]-=x;
+    arr[j]+=x;
+    if(arr[j]>=0)
+    j++;
+    }
+    }
+    for (i=0; i <n ;i++)
+    out += abs(arr[i]);
+    return out;
+    }
+     
+    int main() 
+    {
+    long long k;
+    int n,i_arr;
+    scanf("%d %lld", &n, &k);
+    int *arr = (int *)malloc(n*sizeof(int));
+    for(i_arr=0; i_arr<n; i_arr++)
+    scanf("%d", &arr[i_arr]);
+    printf("%lld", Solve(k, arr, n));
+    }
diff --git a/Basic Input and Output/Palindromic_String.py b/Basic Input and Output/Palindromic_String.py
new file mode 100644
index 0000000..c9e91d1
--- /dev/null
+++ b/Basic Input and Output/Palindromic_String.py	
@@ -0,0 +1,16 @@
+'''
+# Sample code to perform I/O:
+ 
+name = input()                  # Reading input from STDIN
+print('Hi, %s.' % name)         # Writing output to STDOUT
+ 
+# Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+'''
+ 
+# Write your code here
+a=input()
+b=a[::-1];
+if(a==b):
+    print("YES");
+else:
+    print("NO");
diff --git a/Basic Input and Output/Prime_Number.py b/Basic Input and Output/Prime_Number.py
new file mode 100644
index 0000000..5f1dcc2
--- /dev/null
+++ b/Basic Input and Output/Prime_Number.py	
@@ -0,0 +1,20 @@
+'''
+You are given an integer N. You need to print the series of all prime numbers till N.
+Input Format
+The first and only line of the input contains a single integer N denoting the number till where you need to find the series of prime number.
+Output Format
+Print the desired output in single line separated by spaces.
+Constraints
+1<=N<=1000
+'''
+
+
+# Write your code here
+n=int(input())
+for i in range(2,n):
+    count=0
+    for j in range(1,i+1):
+        if(i%j==0):
+            count+=1
+    if(count==2):
+        print(i,end=" ")
diff --git a/Basic Input and Output/Print_The_Numbers.cpp b/Basic Input and Output/Print_The_Numbers.cpp
new file mode 100644
index 0000000..ed4e319
--- /dev/null
+++ b/Basic Input and Output/Print_The_Numbers.cpp	
@@ -0,0 +1,34 @@
+/*
+// Sample code to perform I/O:
+ 
+#include <iostream>
+ 
+using namespace std;
+ 
+int main() {
+	int num;
+	cin >> num;										// Reading input from STDIN
+	cout << "Input number is " << num << endl;		// Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+#include<iostream>
+using namespace std;
+ 
+int main()
+{
+    int n;
+    cin>>n;
+    int a[n];
+    for(int i=0;i<n;i++)
+    {
+        cin>>a[i];
+    }
+    for(int i=0;i<n;i++)
+    {
+        cout<<a[i]<<" ";
+    }
+}
diff --git a/Basic Input and Output/README.md b/Basic Input and Output/README.md
new file mode 100644
index 0000000..834a155
--- /dev/null
+++ b/Basic Input and Output/README.md	
@@ -0,0 +1,2 @@
+This is the folder which contains proper working codes for Basic Input Ouput Problems on Hacker Earth. 
+The languages used are C, C++, Python.
diff --git a/Basic Input and Output/Seating_arrangement.c b/Basic Input and Output/Seating_arrangement.c
new file mode 100644
index 0000000..b6fb105
--- /dev/null
+++ b/Basic Input and Output/Seating_arrangement.c	
@@ -0,0 +1,111 @@
+/*
+// Sample code to perform I/O:
+#include <stdio.h>
+ 
+int main(){
+	int num;
+	scanf("%d", &num);              			// Reading input from STDIN
+	printf("Input number is %d.\n", num);       // Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+    #include <stdio.h>
+     
+    int main()
+    {
+        int n,i,s,t;
+        scanf("%d\n",&n);
+        for(i=0;i<n;i++)
+        {
+            scanf("%d\n",&t);
+            if(t%12==1||t%12==0)
+            {
+                if(t%12==0)
+                {
+                    s=t-11;
+                    printf("%d WS\n",s);
+                }
+                else
+                {
+                    s=t+11;
+                    printf("%d WS\n",s);
+                }
+                
+            }
+            else if(t%12==6||t%12==7)
+            {
+                if(t%12==6)
+                {
+                    s=t+1;
+                    printf("%d WS\n",s);
+                }
+                else
+                {
+                    s=t-1;
+                    printf("%d WS\n",s);
+                }
+            }
+            else if(t%12==5||t%12==8)
+            {
+                if(t%12==5)
+                {
+                    s=t+3;
+                    printf("%d MS\n",s);
+                }
+                else
+                {
+                    s=t-3;
+                    printf("%d MS\n",s);
+                }
+            }
+            else if(t%12==2||t%12==11)
+            {
+                if(t%12==2)
+                {
+                    s=t+9;
+                    printf("%d MS\n",s);
+                }
+                else
+                {
+                    s=t-9;
+                    printf("%d MS\n",s);
+                }
+            }
+            else if(t%12==3||t%12==10)
+            {
+                if(t%12==3)
+                {
+                    s=t+7;
+                    printf("%d AS\n",s);
+                }
+                else
+                {
+                    s=t-7;
+                    printf("%d AS\n",s);
+                }
+            }
+            else
+            {
+                if(t%12==4)
+                {
+                    s=t+5;
+                    printf("%d AS\n",s);
+                }
+                else
+                {
+                    s=t-5;
+                    printf("%d AS\n",s);
+                }
+           }
+                }
+            
+                
+            
+        
+        
+        //printf("Hello World!\n");
+        return 0;
+    }
diff --git a/Basic Input and Output/Seven_Segment_display.py b/Basic Input and Output/Seven_Segment_display.py
new file mode 100644
index 0000000..9594a24
--- /dev/null
+++ b/Basic Input and Output/Seven_Segment_display.py	
@@ -0,0 +1,23 @@
+'''
+# Sample code to perform I/O:
+ 
+name = input()                  # Reading input from STDIN
+print('Hi, %s.' % name)         # Writing output to STDOUT
+ 
+# Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+'''
+ 
+# Write your code here
+t=int(input())
+for i in range(t):
+    n=input()
+    st=list(n)
+    stick=[6,2,5,5,4,5,6,3,7,6]
+    sum=0
+    for i in st:
+        sum+=stick[int(i)]
+    if sum%2==0:
+        print("1"*(sum//2))
+    else:
+        print('7'+'1'*((sum-3)//2))
+        
diff --git a/Basic Input and Output/Vowel_Recognition.c b/Basic Input and Output/Vowel_Recognition.c
new file mode 100644
index 0000000..44b51b6
--- /dev/null
+++ b/Basic Input and Output/Vowel_Recognition.c	
@@ -0,0 +1,38 @@
+/*
+// Sample code to perform I/O:
+#include <stdio.h>
+ 
+int main(){
+	int num;
+	scanf("%d", &num);              			// Reading input from STDIN
+	printf("Input number is %d.\n", num);       // Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+    #include <stdio.h>
+    #include<string.h>
+    int main()
+    {
+    	int t;
+    	scanf("%d", &t);              			
+    	while(t--)
+    	{
+    	    char a[100000];
+    	    scanf("%s",a);
+    	    long n=strlen(a),newsum=0;
+    	    for(int j=0;j<n;j++)
+    	       { 
+    	               if(a[j]=='a'||a[j]=='e'||a[j]=='i'||a[j]=='o'||a[j]=='u'
+    	                  ||a[j]=='A'||a[j]=='E'||a[j]=='I'||a[j]=='O'||a[j]=='U')
+    	               {
+    	                   newsum=newsum+(n-j)*(j+1);
+    	               }
+    	               
+    	       }
+    	       printf("%ld\n",newsum);
+    	    }
+      return 0;
+    }
diff --git a/Basic Input and Output/best_index.c b/Basic Input and Output/best_index.c
new file mode 100644
index 0000000..8e7f63f
--- /dev/null
+++ b/Basic Input and Output/best_index.c	
@@ -0,0 +1,43 @@
+/*
+// Sample code to perform I/O:
+#include <stdio.h>
+ 
+int main(){
+	int num;
+	scanf("%d", &num);              			// Reading input from STDIN
+	printf("Input number is %d.\n", num);       // Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+#include <stdio.h>
+long long v[100001];
+     
+int main() {
+    int n;
+    scanf("%d", &n);
+ 
+    for (int i = 0; i < n; i++)
+        scanf("%lld", &v[i]);
+        v[n] = 0;
+     
+        int x = 1, y = 2;
+        long long maxsum = v[n - 1];
+     
+        for (int i = n - 1; i-- > 0; ) {
+            v[i] += v[i + 1];
+     
+            long long newsum = v[i] - v[n - x];
+            if (newsum > maxsum)
+                maxsum = newsum;
+     
+            if (++x == y) {
+                x = 0;
+                ++y;
+            }
+        }
+     
+        printf("%lld", maxsum);
+}
diff --git a/Basic Input and Output/find_product.cpp b/Basic Input and Output/find_product.cpp
new file mode 100644
index 0000000..63e8ffd
--- /dev/null
+++ b/Basic Input and Output/find_product.cpp	
@@ -0,0 +1,37 @@
+/*
+// Sample code to perform I/O:
+ 
+#include <iostream>
+ 
+using namespace std;
+ 
+int main() {
+	int num;
+	cin >> num;										// Reading input from STDIN
+	cout << "Input number is " << num << endl;		// Writing output to STDOUT
+}
+ 
+// Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail
+*/
+ 
+// Write your code here
+#include <iostream>
+#include <math.h>
+#include <cmath>
+using namespace std;
+int main()
+{
+    int n;
+    cin>>n;
+    int arr[n];
+    long answer=1;
+    for(int i=0;i<n;i++)
+    {
+        cin>>arr[i];
+    }
+    for(int j=0;j<n;j++)
+    {
+        answer=fmod((answer*arr[j]),(pow(10,9)+7));
+    }
+    cout<<answer;
+}