from functools import lru_cache
import sys

@lru_cache(maxsize=None)
def culc(D, X):
    if D == 1:
        return 1
    if X == 1:
        return D
    return culc(D, X-1) + culc(D-1, X)

sys.setrecursionlimit(10**9)
N = int(input())
for _ in range(N):
    D, X, T = map(int, input().split())
    if culc(D, X) <= T:
        print('AC')
    else:
        print('ZETUBOU')