package main

import (
	"fmt"
	"strconv"
)

func main() {
	var n string
	_, _ = fmt.Scan(&n)

	m := 0
	for i := 0; i < len(n); i++ {
		a, _ := strconv.Atoi(string(n[i]))
		if i%2 == 0 {
			m += a
		} else {
			m += a * 4
		}
		m %= 15
	}

	if m == 0 {
		fmt.Println("FizzBuzz")
	} else if m%3 == 0 {
		fmt.Println("Fizz")
	} else if m%5 == 0 {
		fmt.Println("Buzz")
	} else {
		fmt.Println(n)
	}
}