#define _USE_MATH_DEFINES
#include  <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<iomanip>
#include<stdio.h>
#include <stdlib.h>
#include<stdio.h>
#include <queue>
#include<map>
#include <fstream>
#include <sstream>
#include<set>
#include<stack>
#include<time.h>
#include <sys/types.h>
#include <tuple>
#include <numeric>


typedef long long int ll;
//#include<bits/stdc++.h>


using namespace std;





int main()
{

    int Q;
    Q = 1;
    //cin >> Q;

    while (Q--) {
       
        vector<int>a(5);
        int ans = 0;
        for (int i = 0; i < 5; i++) {
            cin >> a[i];
            if (a[i] % 3 && a[i] % 5) {
                while (a[i]) {
                    ans++; a[i] /= 10;
                }
            }
            else if (a[i] % 3)ans += 4;
            else if (a[i] % 5)ans += 4;
            else ans += 8;
        }
        

        
        cout << ans;

    }
    return 0;
}