#include <bits/stdc++.h>
using namespace std;
int main()
{
    int s = 0, t, d;
    for(int i = 0; i < 5; i++) {
        d = 0;
        cin >> t;
        if(t % 15 == 0) s += 8;
        else if((t % 3 == 0 && t % 5 != 0) || (t % 3 != 0 && t % 5 == 0)) s += 4;
        else while(t > 0) t /= 10, d++; 
        s += d;
    }
    cout << s << endl;
    return 0;
}