#!/usr/bin/python
from operator import mul
def nCr(n, r):
    if r == 0 or n == r:
        return 1
    k = r if r <= n-r else n-r
    return reduce(mul, xrange(n, n-k, -1)) / reduce(mul, xrange(1, k+1))
nHr = lambda n, r: nCr(n+r-1, r)

q = int(raw_input())
for _ in xrange(q):
    d, x, t = map(int, raw_input().split())
    print 'AC' if nHr(d, x) <= t else 'ZETUBOU'