#include <bits/stdc++.h>
using namespace std;
struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star;
#define P(x) cout << (x) << endl
#define p(x) cout << (x)
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define rep(i,a,n) for(int i=(a), i##_len=(n); i<i##_len; ++i)
#define rrep(i,a,n) for(int i=(a); i>n; --i)
#define len(x) ((int)(x).size())
#define mp make_pair
#define eb emplace_back
typedef long long ll;
typedef vector<int> vi;
typedef vector<double> vd;
typedef vector<long long> vll;
typedef vector<string> vs;
typedef vector<bool> vb;
ll t;
inline ll c(ll n, ll r) {
	ll res = 1;
	rrep(i, r - 1, -1) {
		res = res * (n - i) / (r - i);
		if (res >= t) return res;
	}
	return res;
}
int main() {
	int q; cin >> q;
	rep(i, 0, q) {
		ll d, x; cin >> d >> x >> t;
		P(c(x + d - 1, d - 1) <= t ? "AC" : "ZETUBOU");
	}
	return 0;
}