import java.util.*;
import java.math.*;

class Main {
    static boolean divide(String s,int v){
        int c=0;
        for(char ss:s.toCharArray()){
            int d=ss-'0';
            c=(4*c+d)%v;
        }
        return c==0;
    }
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String s=scan.next();
        if(divide(s,15))
            System.out.println("FizzBuzz");
        else if(divide(s,3))
            System.out.println("Fizz");
        else if(divide(s,5))
            System.out.println("Buzz");
        else
            System.out.println(s);
    }
}