def solve(S):
    p, x, y = S
    print("p={0}, x={1}, y={2}".format(p, x, y))
    return 'black'

if __name__ == "__main__":
    import fileinput
    f = fileinput.input()

    T = int(f.readline())
    for case in range(1, T+1):
        S = [int(i) for i in f.readline().split()]
        solution = solve(S)
        print("Case #{0}: {1}".format(case, solution))