#include <iostream>
#include <algorithm>
#include <string>

int main(void){
	int num[10] = {
		1, 0, 0, 0, 1, 0, 1, 0, 2, 1	
	};
	int count1=1,count2=2;
	std::string n;
	std::cin >> n;
	for (int i = 0; i < n.length(); i++){
		count1 += num[ n[i]-'0'] +2;
		count2 += 2 * num[n[i] - '0'] + 1;
	}
	std::cout << std::min(count1,count2) <<std::endl;
	return 0;
}