#include<stdio.h>
int main()
{ int num;
    int john_yield;
    int emma_yield;
    if
    scanf("%d",&john_yield);
    {
        return 1;
    }
    if
    scan("%d",&emma_yield);
    {
        return 1;
    }
    printf("john yield:%dand emma yield:%d\n",john_yield, emma_yield);
    return 0;
}