#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include "bits/stdc++.h"
#define rep(i,n) for(int i = 0;i < n;i++)
#define REP(i,n,k) for(int i = n;i < k;i++)
#define P(p) cout<<(p)<<endl;
#define pi 3.1415926535
using namespace std;
typedef long long ll;
int dx[] = { 0, 1, 0, -1 };
int dy[] = { -1, 0, 1, 0 };

unsigned long long sttoi(std::string str) {
	unsigned long long ret;
	std::stringstream ss; ss << str;
	ss >> ret;
	return ret;
}

ll gcd(ll a, ll b){
	if (b > a)swap(a, b); if (b == 0)return a; else{ return gcd(b, a%b); }
}
ll dp[3100][3100];
void solve() {
	rep(i, 3100){
		dp[0][i] = 0;
	}
	rep(i, 3100){
		dp[i][0] = 1;
	}
	REP(i, 1, 3100) REP(j, 1, 3100){
		dp[i][j] = dp[i - 1][j - 1] + dp[i - 1][j];
		if (dp[i][j] > 1e16) dp[i][j] = 1e16;
	}

	int n;
	cin >> n;
	while (n--){
		ll d, x, t;
		cin >> d >> x >> t;
		P(dp[x + d - 1][d - 1] > t ? "ZETUBOU" : "AC");
	}
}

int main() {
	solve();
	return 0;
}