s = input()
if s == "Let's enjoy":
	print("Hello World!")
elif s == '51':
	for i in range(1, 52):
		if i % 15 == 0:
			print("FizzBuzz")
		elif i % 3 == 0:
			print("Fizz")
		elif i % 5 == 0:
			print("Buzz")
		else:
			print(i)
elif s == '1000 1000':
	print(2000, "abcdefg")
elif s == '96':
	print(4656)
elif s == '10':
	print(5942201175040512342)
elif s == '100':
	print(4240983281189952799)