#include <iostream>
#include <string>
using namespace std;
struct X{
	int n;
	int num;
} digit[]={
	{0,1},
	{1,0},
	{2,0},
	{3,0},
	{4,1},
	{5,0},
	{6,1},
	{7,0},
	{8,2},
	{9,1}
};
int main(int argc, char* argv[])
{
	string S;
	cin>>S;
	int Sum=0;
	int Len=S.length();
	int kuchi=0;
	for (int i=0;i<S.size();i++){
		int N=S[i]-'0';
		for (int j=0;j<10;j++){
			if (N==digit[j].n){
				kuchi+=digit[j].num;
			}
		}
	}
	int x=2*Len+1+kuchi;
	int y=2*(1+kuchi)+Len;
	cout<<min(x,y)<<endl;
	return 0;
}