#include<bits/stdc++.h>
using namespace std;

int cont[]={1,0,0,0,1,0,1,0,2,1};
string s;

int main(){
  cin>>s;
  int n=(int)s.size();
  int ans1=2*n;
  int temp=0;
  for(int i=0;i<n;i++){
    ans1+=cont[s[i]-'0'];
    temp+=cont[s[i]-'0'];
  }
  ans1++;
  int ans2=(temp+1)*2+n;
  cout<<min(ans1,ans2)<<endl;
  return 0;
}