ACM1

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>

int main( )

{

 int a,b;

 while(std::cin>>a >> b)

std::cout<<a+b<<std::endl;

  return 0;

}

0ms  188kb 小菜