#include <algorithm>
#include <vector>
#include <cfloat>
#include <string>
#include <cmath>
#include <set>
#include <cstdlib>
#include <map>
#include <ctime>
#include <iomanip>
#include <functional>
#include <deque>
#include <iostream>
#include <cstring>
#include <queue>
#include <cstdio>
#include <stack>
#include <climits>
#include <sys/time.h>
#include <cctype>

using namespace std;

typedef long long ll;

#define MODN 1000000000000001

ll memo[3001][1501];
ll combi(ll a, ll b) {
  /* if (a < (b<<1)) b = a-b; */
  if (b == 1) return memo[a][b] = a;
  if (a == b || b == 0) return memo[a][b] = 1;
  if (memo[a][b]) return memo[a][b];
  ll t1, t2;
  t1 = combi(a-1, b-1);
  t2 = combi(a-1, b);
  if (t1 == -1 || t2 == -1) {
    memo[a][b] = -1;
  }else {
    memo[a][b] = t1+t2 > MODN ? -1 : t1+t2;
  }
  return memo[a][b];
}

ll hcom(ll l, ll s) {
  // return combi(l+s-1, l-1);
  return combi(l+s-1, s-1);
}

int main() {
  for (int i = 1; i < 1501; i++) {
    for (int j = i; j < 1501; j++) {
      hcom(j, i);
    }
  }

  int q;
  scanf("%d", &q);
  for (int i = 0; i < q; i++) {
    ll d, x, t;
    scanf("%lld %lld %lld", &d, &x, &t);
    if (hcom(x, d) > t || hcom(x, d) == -1) {
      puts("ZETUBOU");
    }else {
      puts("AC");
    }
  }

}