#include <bits/stdc++.h>
#define rep(i, a) for (int i = 0; i < (a); i++)
#define rep2(i, a, b) for (int i = (a); i < (b); i++)
#define repr(i, a) for (int i = (a) - 1; i >= 0; i--)
#define repr2(i, a, b) for (int i = (b) - 1; i >= (a); i--)
#define itall(a) a.begin(), a.end()
using namespace std;
typedef long long ll;
const ll inf = 1e9;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-8;
template<typename T> inline T sq(T a) { return a * a; }
template<typename T> inline T cb(T a) { return a * a * a; }
template<typename T> inline bool umin(T &a, const T &b) { return b < a && (a = b, true); }
template<typename T> inline bool umax(T &a, const T &b) { return a < b && (a = b, true); }

ll infl = 1e16;

ll comb(ll a, ll b) {
    ll res = 1;

    repr (i, b) {
        res *= a - i;
        res /= b - i;
        if (res >= infl) return infl;
    }

    return res;
}

int main() {
    int Q;
    cin >> Q;
    rep (i, Q) {
        ll D, X, T;
        cin >> D >> X >> T;

        if (comb(D + X - 1, D - 1) <= T) {
            cout << "AC" << endl;
        } else {
            cout << "ZETUBOU" << endl;
        }
    }
}