#include <cstdio>

using namespace std;

typedef long long ll;

double dp[3333][3333];

int main(void) {
  int q;
  scanf("%d", &q);
  dp[0][0] = 1;

  for (int i = 0; i < 2222; i++) {
    for (int j = 0; j < 2222; j++) {
      if (dp[i][j] >= 1e15) {
        dp[i][j] = -1;
      }
      if (dp[i][j] < 0) {
        dp[i+1][j] = dp[i+1][j+1] = -1;
      } else {
        dp[i+1][j] += dp[i][j];
        dp[i+1][j+1] += dp[i][j];
      }
    }
  }
  
  for (int iii = 0; iii < q; iii++) {
    int d, x;
    ll t;
    scanf("%d%d%lld", &d, &x, &t);
    double s = dp[d+x-1][x];
    puts((s<0||s>t) ? "ZETUBOU" : "AC");
  }
  return 0;
}