#include<bits/stdc++.h>
using namespace std;
int main(){
	string s,s1;
	cin>>s;
	if(s.size()%3==1){
		s="00"+s;
	}else{
		if(s.size()%3==2){
			s="0"+s;
		}
	}
	for(int i=0;i<s.size();i=i+3){
		s1=s.substr(i,3);
		cout<<(s1[1]-'0')*4+(s1[1]-'0')*2+(s1[2]-'0')*1;
	}
	return 0;
}

/**************************************************************
	Problem: 1293
	User: linyuhang
	Language: C++
	Result: Wrong Answer
****************************************************************/