#include <bits/stdc++.h>
#define REP(i,n,N) for(int i=(n);i<(int)N;i++)
#define p(s) cout<<(s)<<endl
using namespace std;
const int inf=1e9;

int main(){
	map<char,int> m;
	string s;
	cin>>s;
	int ans=1;
	REP(i,0,s.size()){
		char c=s[i];
		if(c=='0'||c=='4'||c=='6'||c=='9'){
			ans+=3;
		}else if(c=='8'){
			ans+=4;
		}else{
			ans+=2;
		}
	}
	p(ans);
	return 0;
}