// plus.c
// Read two numbers from user and add them 
int main () { 
  int a; // storage for first input
  int b; // storage for second input
  printf("a=");
  scanf("%d", &a); // read integer into a
  printf("b=");
  scanf("%d", &b); // read integer into b
  printf("%d+%d=%d\n",a,b,a + b);
}