#include <stdio.h>
void sum(int x,int y)
{
printf("%d\n",x+y);
}
int main()
{
int n;
scanf("%d",&n);
for(int i = 1;i <= n;i++)
{
int a,b;
scanf("%d %d",&a,&b);
sum(a,b);
}
return 0;
}

#include <stdio.h>
void sum(int x,int y)
{
printf("%d\n",x+y);
}
int main()
{
int n;
scanf("%d",&n);
for(int i = 1;i <= n;i++)
{
int a,b;
scanf("%d %d",&a,&b);
sum(a,b);
}
return 0;
}