package main

import (
    "fmt"
    "os"
    "bufio"
    "strings"
    "strconv"
)

type Scanner struct {

    reader *bufio.Reader
    buffer []string
    pointer int
}

func NewScanner() *Scanner {
    return &Scanner{
        reader: bufio.NewReaderSize(os.Stdin,4096),
        pointer: 0,
    }
}

func (self *Scanner) NextLine () string {
    var buffer []byte
    for {
        line,isPrefix,_ := self.reader.ReadLine()
        buffer = append(buffer, line...)
        if !isPrefix {
            break
        }
    }
    return string(buffer)
}

func (self *Scanner) Next () string {
    if self.pointer >= len(self.buffer) {
        line := self.NextLine()
        self.buffer = strings.Fields(line)
        self.pointer = 0
    }
    self.pointer++
    return self.buffer[self.pointer-1]
}

func (self *Scanner) NextInt () int {
    s := self.Next()
    i,_ := strconv.ParseInt(s,10,32)
    return int(i)
}

func (self *Scanner) NextLong () int64{
    s := self.Next()
    l,_ := strconv.ParseInt(s,10,64)
    return int64(l)
}

func (self *Scanner) NextFloat () float32 {
    s := self.Next()
    f,_ := strconv.ParseFloat(s,32)
    return float32(f)
}

func (self *Scanner) NextDouble () float64 {
    s := self.Next()
    d,_ := strconv.ParseFloat(s,64)
    return float64(d)
}

func Calc (array []int,mod int) int {
	length := len(array)

	ret := 0
	for i := 0; i < length; i++ {
		ret = (ret * 4 + array[i]) % mod
	}

	return ret
}

func main () {
	cin := NewScanner()

	N := cin.Next()
	L := len(N)
	A := make([]int,L)

	for i,a := range []byte(N) {
		A[i] = int(a - '0')
	}

	three := Calc(A,3) == 0
	five := Calc(A,5) == 0

	if three && five {
		fmt.Println("FizzBuzz")
	} else if three {
		fmt.Println("Fizz")
	} else if five {
		fmt.Println("Buzz")
	} else {
		fmt.Println(N)
	}
}