INF = 10**15 + 1
Q = int(input())
query = [tuple(map(int, input().split())) for _ in range(Q)]

limit = 1500
DP = [[0] * (limit + 1) for _ in range(limit + 1)]
DP[0][0] = 1

for i in range(limit):
    for j in range(limit + 1):

        if DP[i][j] >= INF:
            DP[i][j] = INF
            DP[i + 1][j] = INF
            continue

        DP[i + 1][j] += DP[i][j]
    
    # 1行に一度、累積を集める作業
    for j in range(limit):
        
        if DP[i + 1][j] >= INF:
            DP[i + 1][j] = INF
            DP[i + 1][j + 1] = INF
            continue

        DP[i + 1][j + 1] += DP[i + 1][j]

for d, x, t in query:
    if DP[d][x] <= t:
        print('AC')
    else:
        print('ZETUBOU')