#include<stdio.h>
int main()
{
int a,b;
while (scanf("%d%d",&a,&b)!=EOF)//按Ctrl+z结束输入
printf("%d\n",a+b);
return 0;
}
2016-12-05 23:02

2016-12-05 23:06
2016-12-06 13:11
2016-12-07 01:25