//https://ncode.syosetu.com/n4830bu/250/
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

ll C(ll N, ll K) {
    if (K < 0 || K > N)
        return 0;
    K = min(K, N - K);
    ll ret = 1;
    for (int i = 1; i <= K; i++) {
        ret *= (N - i + 1);
        ret /= i;
        if (ret > 1e15)
            return ret;
    }
    return ret;
}

int main() {
    int Q;
    cin >> Q;
    while (Q--) {
        ll D, X, T;
        cin >> D >> X >> T;
        cout << (C(X + D - 1, D - 1) <= T ? "AC" : "ZETUBOU") << endl;
    }
}