def solve():
    d, x, t = map(int, input().split())
    n = x + d - 1
    r = min(x, d - 1)
    ans = 1
    for i in range(1, r + 1):
        ans *= n - i + 1
        ans //= i
        if ans > t:
            print("ZETUBOU")
            return
    print("AC")
    
    
for _ in range(int(input())):
    solve()