/* -*- coding: utf-8 -*-
 *
 * 637.cc: No.637 X: Yet Another FizzBuzz Problem - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int N = 5;

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int sum = 0;
  for (int i = 0; i < N; i++) {
    int ai;
    scanf("%d", &ai);

    if (ai % 15 == 0) sum += 8;
    else if (ai % 3 == 0 || ai % 5 == 0) sum += 4;
    else
      while (ai > 0) {
	sum++;
	ai /= 10;
      }
  }

  printf("%d\n", sum);
  return 0;
}