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