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))