import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Task solver = new Task();
        solver.solve(1, in, out);
        out.close();
    }

    static class Task {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int count = 0;
            for (int i = 0; i < 5; i++) {
                int n = in.nextInt();
                boolean three = n % 3 == 0;
                boolean five = n % 5 == 0;
                if (three && five) count += 8;
                else if (three) count += 4;
                else if (five) count += 4;
                else count += String.valueOf(n).length();
            }
            out.println(count);
        }

    }
}