#include<stdio.h>
int main()
{
	int i;
	int a[5];
	for (i = 0; i < 5; i++)
		scanf("%d", &a[i]);
	int ans = 0;
	for (i = 0; i < 5; i++)
	{
		if (a[i] % 15 == 0)
			ans += 8;
		else if (a[i] % 3 == 0 || a[i] % 5 == 0)
			ans += 4;
		else
		{
			while (a[i] > 0)
			{
				ans++;
				a[i] /= 10;
			}
		}
	}
	printf("%d\n", ans);
	return 0;
}