main :: IO ()
main=do
	n<-getLine
	putStrLn (fizzBuzz (read n))

fizzBuzz ::Int->String
fizzBuzz x
	| x `mod` 15 == 0 = "FizzBuzz"
	| x `mod` 3 == 0 =  "Fizz"
	| x `mod` 5 == 0 =  "Buzz"
	| otherwise      =  show x