#include <bits/stdc++.h>
using namespace std;

int main()
{
    int a,ans = 0;
    for(int i = 0; i < 5; i++){
        cin >> a;
        if(a % 15 == 0) ans += 8;
        else if(a % 5 == 0 || a % 3 == 0) ans += 4;
        else{
            while(a){
                a /= 10;
                ans++;
            }
        }
    }

    cout << ans << endl;

    return 0;
}