n = int(input())

for i in range(n):
    words = input().split()

    final = ""
    for j in range(len(list(reversed(words)))):
        if j == 0:
            final += list(reversed(words))[j]
        else:
            final += " " + list(reversed(words))[j]

    print ("Case #" + str(i + 1) + ":", final)