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

/**************************************************************
	Problem: 1289
	User: wuhanyu
	Language: C++
	Result: Wrong Answer
****************************************************************/