s=input()
if'a'<s:print("Hello World!")
elif'51'==s:
	for i in range(1,52):
		if i%15<1:print("FizzBuzz")
		elif i%3<1:print("Fizz")
		elif i%5<1:print("Buzz")
		else:print(i)
elif len(s)>8:print(2000,"abcdefg")
elif'96'==s:print(4656)
elif'10'==s:print(5942201175040512342)
else:print(4240983281189952799)