View Code of Problem 111

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

}
/*
Main.c: In function 'main':
Main.c:5:12: error: lvalue required as left operand of assignment
   if(a=0&&b=0)
            ^
*/