import java.util.*;

public class Main {
    static StringBuilder sb = new StringBuilder("");
    
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        for(int i = 0; i < 5; i++) {
            int n = sc.nextInt();
            solve(n);
        }
        System.out.println(sb.toString().length());
    }
    
    static void solve(int n) {
        if(n%15 == 0) {
            sb.append("FizzBuzz");
        } else if(n%3 ==0) {
            sb.append("Fizz");
        } else if(n%5 ==0) {
            sb.append("Buzz");
        } else {
            sb.append(n);
        }
    }
}