#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <math.h>
#include <cmath>
#include <limits.h>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <functional>
#include <stdio.h>
using namespace std;

long long MOD = 1000000007;

int main() {
    
    int Q;
    cin >> Q;
    int D,X;
    long long T;
    vector<string> ans;
    for ( int i = 0; i < Q; i++ ) {
        cin >> D >> X >> T;
        long long a = 1;
        
        if ( D == 1 ) { a = 1; }
        else {
            for ( int j = 1; j < D; j++ ) {                
                a *= X+j;
                a /= j;
                // cout << a << endl;
                if ( a > T ) { break; }
            }
        }
    
        ans.push_back( ( a <= T ) ? "AC" : "ZETUBOU" );
    }
    for ( int i = 0; i < Q; i++ ) {
        cout << ans[i] << endl;
    }
    
    
    return 0;
}