#include<stdio.h>
int main()
{
	int n;
	scanf("%d", &n);
	if (n == 0)
	{
		printf("4\n");
		return 0;
	}
	int ho[10] = { 1,0,0,0,1,0,1,0,2,1 };
	int ans = 1, m = n;
	while (n > 0)
	{
		ans += 2 + ho[n % 10];
		n /= 10;
	}
	int ans1 = 2;
	n = m;
	while (n > 0)
	{
		ans1 += 1 + 2 * ho[n % 10];
		n /= 10;
	}
	if (ans > ans1)
		ans = ans1;
	printf("%d\n", ans);
	return 0;
}