#include <cstdio>
#include <cstring>
#include <random>
#include <vector>
#include <algorithm>
#include <array>

using namespace std;;

int main(){
	int h[]={1,0,0,0,1,0,1,0,2,1},holes=0,a,b;
	char s[20];
	int _=scanf("%s",s);
	for(int i=0;s[i];i++){
		holes+=h[s[i]-'0'];
	}
	a=2*strlen(s)+holes+1;
	b=2*(holes+1)+strlen(s);
	//printf("%d %d\n",a,b);
	printf("%d\n",a>b?b:a);
	return 0;
}