//nim博弈
//有n堆石头，两人轮流每次从一堆中拿至少1，之多全部的石头，没有石头可拿为lose
//判断先手是win还是lose
# include <stdio.h>
# include <algorithm>
# include <string.h>
using namespace std;
int main()
{
    int n,i;
    __int64 a,sum;
    while(~scanf("%d",&n))
    {
        sum=0;
        for(i=0; i<n; i++)
        {
            scanf("%I64d",&a);
            sum^=a;
        }
        if(sum==0)
            printf("Lose\n");
        else
            printf("Win\n");
    }
    return 0;
}

hdu 5011 (nim博弈模版)