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