#include <stdio.h>

int main()
{
	int arr[100] = { 0 };
	int T;
	int a, b;
	scanf("%d", &T);
	for (int i = 0; i < T; i++)
	{
		scanf("%d %d", &a, &b);
		arr[i] = a + b;
	}
	for (int i = 0; i < T; i++)
	{
		printf("%d\n", arr[i]);
	}
	
	return 0;
}