#include <bits/stdc++.h>
using namespace std;

const string msg[] = { "ZETUBOU", "AC" };

signed main(){
  int Q; cin >> Q;
  for( int kase = 0; kase < Q; ++kase ){
    int D, X; long long T; cin >> D >> X >> T;
    long double f = 0;
    int a = D + X - 1;
    int b = max( X, D - 1 );
    int c = min( X, D - 1 );
    for( int i = b + 1; i <= a; ++i )
      f += log10( i );
    for( int i = 2; i <= c; ++i )
      f -= log10( i );
    cout << msg[ f - 1e-15 <= log10( ( long double ) T ) ] << endl;
  }
  return 0;
}