A + B Problem

Problem

Calculate a + b

Input

The input will consist of a series of pairs of integers a and b,separated by a space, one pair of integers per line.

Output

For each pair of input integers a and b you should output the sum of a and b in one line,and with one line of output for each line in input.

Sample Input

1 5      

Sample Output

6      

Hint

Use + operator

Solution:

#include <iostream>

using namespace std;

int main()

{

 int a,b;

 while(cin>>a>>b)

  cout<<a+b<<endl;

 return 0;

}