import java.util.*;

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