def judge(X, D, T):
    C = 1.0
    for i in xrange(1, D):
        C = C * (X + i) / (D - i)
        if C > T: return False
    return True

Q = int(raw_input())
for loop in xrange(Q):
    D, X, T = map(int, raw_input().split())
    print "AC" if judge(X, D, T) else "ZETUBOU"