#include<bits/stdc++.h>
using namespace std;
int main(){
    int a[5]; cin >> a[0] >> a[1] >> a[2] >> a[3] >> a[4];
    int sum = 0;
    for(int i=0; i < 5; i++){
        if(a[i] % 15 == 0) sum += 8;
        else if(a[i] % 3 == 0) sum += 4;
        else if(a[i] % 5 == 0) sum += 4;
        else{
            int cnt = 0;
            while(a[i] > 0){
                a[i] /= 10;
                cnt++;
            }
            sum += cnt;
        }
    }
    cout << sum << endl;
}