#include<stdio.h>
#include<iostream>
#include<vector>
#include<algorithm>
#include<queue>
#define rep(i,a,b) for(int i=a;i<=b;i++)
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int,int> Pii;
typedef pair<ll,int> PIi;
const int maxn=1e6+10;
const ll inf = 0x3f3f3f3f3f3f3f3f;
//10:04 大概

int cnt[7];
int main()
{
    int _;  cin>>_;
    while(_--){
        rep(i,1,6) cnt[i]=0;
        int n;  cin>>n;
        rep(i,1,2*n){
            int x; scanf("%d",&x);
            cnt[x]++;
        }

        bool flag=false;
        rep(i,1,6) if(cnt[i]>1) flag=true;
        puts(flag?"Win!":"Just a game of chance");
    }
    fflush(stdin);
    getchar();
}
/*
6
6 1 2
3 5 2
2 4 6
5 2 2
5 6 20
3 8
6 5

*/