#include<bits/stdc++.h>
using namespace std;
struct poker
{
    int num,big;
    string ver;
 } pk[200];
void huifu()
{
    pk[1].big=13,pk[2].big=12,pk[13].big=11,pk[12].big=10,pk[11].big=9,pk[10].big=8;
    pk[9].big=7,pk[9].big=6,pk[7].big=5,pk[6].big=4,pk[5].big=3,pk[4].big=2,pk[3].big=1;
    pk[1].ver="A",pk[2].ver="2",pk[13].ver="K",pk[12].ver="Q",pk[11].ver="J",pk[10].ver="10";
    pk[9].ver="9",pk[8].ver="8",pk[7].ver="7",pk[6].ver="6",pk[5].ver="5",pk[4].ver="4",pk['3'].ver="3";
}
int main()
{
    freopen("poker1.in","r",stdin);
    freopen("poker1.out","w",stdout);
    int m,n;
    cin>>m; 
    huifu();
    for(int i=1;i<=m;i++)
    {
       
        bool cheat=false,bomb=false;
        cin>>n;
        for(int j=1;j<=n;j++)
        {
            int x;
            cin>>x;
            pk[x].num++;
            if(pk[x].num>=5) 
            {
                cout<<"cheat"<<endl;
                cheat=true;  
                break;
            }
        }
        if(!cheat)
        {
            poker ans;
            ans.big=999;
            for(int j=1;j<=13;j++)
            {
                if(pk[j].big&&pk[j].num==4&&ans.big>pk[j].big)
                {
                    ans=pk[j];
                    bomb=true;
                }
            }
            if(bomb) cout<<ans.ver<<endl;
            if(!bomb)
        {
            cout<<"no bomb"<<endl;
        }
        for(int j=1;j<=13;j++)
        {
            pk[j].num=0;
        }
        }
    }
    return 0;
}