Problem Description
Calculate A + B.
Input
Each line will contain two integers A and B. Process to end of file.
Output
For each case, output A + B in one line.
Sample Input
1 1
Sample Output
2
分析：
本题很简单
#include <stdio.h>
int main()
{
int a,b;
while(scanf("%d %d",&a,&b)!=EOF)
{
printf("%d\n",a+b);
}
}
