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