ZOJ Problem Set

A + B Problem

Time Limit: 2 Seconds Memory Limit: 65536 KB

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

#include <iostream>using namespace std;int main(){    int a,b;    while(cin >> a >> b)        cout << a + b << endl;    return 0;}