#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    vector<vector<ll>> table(1501, vector<ll>(1501, -1));
    const ll INF = 1e15+1;
    auto f = [&table](ll D, ll X) {
        if(table[D][X] != -1) return table[D][X];
        ll ans = 1;
        for(ll i = 1; i < D; i++) {
            ans *= X + i;
            ans /= i;
            if(ans >= INF) return INF;
        }
        return table[D][X] = ans;
    };

    int Q; cin >> Q;
    rep(_,Q) {
        ll D,X,T; cin >> D >> X >> T;
        cout << (f(D, X) <= T ? "AC" : "ZETUBOU") << "\n";
    }
}