1006 A+B for Input-Output Practice (VII)

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, and followed by a blank line.

Sample Input

1 5
10 20

Sample Output

6

30

#include<iostream>

using namespace std;

int main(void)
{
	int a,b,sum;
	while (cin >> a >> b )
	{
		sum = a + b;
		
		cout << sum << endl;
		cout << "\n";
	}

	return 0;
}