#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;

int main(){
    int a, sum1 = 0;
    string s;
    for (int i = 0; i < 5; i++){
        cin >> a;
        if (!(a%3)) sum1 += 4;
        if (!(a%5)) sum1 += 4;
        if (a%5 && a%3){
            s = to_string(a);
            sum1 += (int)s.size();
        }
    }
    cout << sum1 << endl;
}