#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
    int Q;
    cin >> Q;
    for (int i = 0; i < Q; i++) {
        ll D, X, T;
        ll k = 1;
        cin >> D >> X >> T;
        for (ll j = 1; j < D; j++) {
            k = (k * (X + j)) / j;
            if (k > T) break;
        }
        if (k <= T) {
            cout << "AC\n";
        } else {
            cout << "ZETUBOU\n";
        }
    }
    return 0;
}