hdu1849

Nim游戏

#include <stdio.h>

int main()
{
    int m,n,a;
    while(scanf("%d", &m), m)
    {
        n = 0;
        while(m-- && scanf("%d", &a))
            n ^= a;
        puts(n ? "Rabbit Win!" : "Grass Win!");
    }
    return 0;
}