import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int count = 0;
        for (int i = 0; i < 5; i++) {
            int x = sc.nextInt();
            if (x % 3 == 0 && x % 5 == 0) {
                count += 8;
            } else if (x % 3 == 0) {
                count += 4;
            } else if (x % 5 == 0) {
                count += 4;
            } else {
                count += getCount(x);
            }
        }
        System.out.println(count);
    }
    
    static int getCount(int x) {
        int count = 0;
        while (x > 0) {
            count++;
            x /= 10;
        }
        return count;
    }
}