Problem Description
Your task is to 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.
Print a blank line between each case .
Sample Input
1 5
10 20
Sample Output
630
#include <iostream>
using namespace std; int main()
{
int i,j; while(cin >> i >> j)
cout << (i + j) << endl << endl; return ;
}