def solve():
    D, X, T = map(int, raw_input().strip().split())
    ans = 1
    for c in xrange(1, D):
        r = X + D - c
        ans = ans * r / c
        if ans > T:
            print("ZETUBOU")
            return
    print("AC")

Q = input()
for i in range(Q):
    solve()