#include <bits/stdc++.h>
#include<iostream>
#include<iomanip>
#include<string>
#include<algorithm>
#include<vector>
#include<set>
#include<list>
#include<queue>
#include<math.h>
#include<bitset>
using ll = long long;
using namespace std;

int main()
{
    int q;
    cin >> q;
    for (int i = 0; i < q; i++){
        ll d, x, t, tmp = 1;
        cin >> d >> x >> t;
        for (int i = 1; i < d; i++){
            tmp *= (x+i/i);
            if (tmp > t) break;
        }
        cout << ((t >= tmp) ? "AC" : "ZETUBOU") << endl;
    }
}