1 #include <bits/stdc++.h>
 2 using namespace std;
 3 int num[3010];
 4 int main(){
 5     int T;
 6     scanf("%d",&T);
 7     while(T--){
 8         int n;
 9         scanf("%d",&n);
10         bool prime=true;
11         if(n>5)
12             prime=false;
13         int m;
14         memset(num,0,sizeof(num));
15         for(int i=1;i<n;i++){
16                 for(int j=1;j<=n-i;j++){
17                         scanf("%d",&m);
18                         if(m==1){
19                                 num[i]++;
20                                 num[i+j]++;
21                         }
22                 }
23         }
24         if(!prime)
25             printf("Bad Team!\n");
26         else{
27             for(int i=1;i<=n;i++){
28                     if(num[i]>=3||(n-1-num[i])>=3)
29                         prime=false;
30             }
31             if(prime)
32                 printf("Great Team!\n");
33             else
34                 printf("Bad Team!\n");
35         }
36     }
37     return 0;
38 }