#include "stdio.h"#include "stdlib.h"int num;int main(void){	int i, j, k;	while(scanf("%d", &num) != EOF)	{		for(k=0; k<num; k++)		{			scanf("%d %d", &i, &j); 			printf("%d\n", i+j);		}	}		system("pause");	return 0;}