import java.util.Scanner;

public class No637 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a[] = new int[5];
		int sum = 0;
		
		for(int i = 0;i < 5;i++) {
			a[i] = sc.nextInt();
			if(a[i] % 15 == 0) {
				sum += 8;
			}else if(a[i] % 3 == 0 ||a[i] % 5 == 0) {
				sum += 4;
			}else {
				sum += String.valueOf(a[i]).length();
			}
		}
		
		System.out.println(sum);
	}
}