#include <iostream>
#include <string>
using namespace std;

int main() {
    int a;
    string s = "";
    for(int i = 0;i < 5;i++){
        cin >> a;
        if(a % 15 == 0)s += "aaaaaaaa";
        else if(a % 3 == 0 || a % 5 == 0)s += "aaaa";
        else s += to_string(a);
    }
    cout << s.size();
    return 0;
}