C = [[0 for _ in range(1501)] for _ in range(3001)]
C[0][0] = 1

for i in range(3001):
    for j in range(1501):
        if j == 0 or j == i:
            C[i][j] = 1
        else:
            C[i][j] = C[i-1][j-1] + C[i-1][j]

Q = int(input())

for _ in range(Q):
    D_i, X_i, T_i = map(int, input().split())
    
    if C[X_i+D_i-1][D_i-1] <= T_i:
        print('AC')
    else:
        print('ZETUBOU')