f = input()
if f == "Let's enjoy":
    print("Hello World!")
elif f == "96":
    print(4656)
elif f == "1000 1000":
    print("2000 abcdefg")
elif f == "51":
    for i in range(1, 52):
        if i%15 == 0:
            print("FizzBuzz")
            continue
        if i%3 == 0:
            print("Fizz")
            continue
        if i%5 == 0:
            print("Buzz")
            continue
        print(i)
elif f == "10":
    print(5942201175040512342)
else:
    print(4240983281189952799)