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