= A + B Problem =
http://acm.hdu.edu.cn/showproblem.php?pid=1000 

{{{#!cplusplus
/*written by czk*/
#include <stdio.h>

int main() {
    int a, b;
    while(scanf("%d%d", &a, &b) != EOF)
        printf("%d\n", a+b);
}
}}}


{{{#!cplusplus
//written by czk
#include <iostream>
using namespace std;

int main() {
    int a, b;
    while(cin >> a >> b)
        cout << a+b << endl;
}
}}}