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

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

#define double long double
#define log2 log10

signed main(){
  int Q; cin >> Q;
  for( int kase = 0; kase < Q; ++kase ){
    int D, X; long long T; cin >> D >> X >> T;
    double f = 0;
    for( int i = 2; i <= D + X - 1; ++i )
      f += log2( i );
    for( int i = 2; i <= X; ++i )
      f -= log2( i );
    for( int i = 2; i <= D - 1; ++i )
      f -= log2( i );
    cout << msg[ fabs( f - log2( T ) ) < 1e-9 ] << endl;
  }
  return 0;
}