import java.io.*;
public class Main1373 {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String s = br.readLine();
int len = s.length();
int num;
if(len % 3 == 1) s="00"+s;
else if(len % 3 == 2) s="0"+s;
for(int i=0; i<len; i+=3) {
num=((s.charAt(i)-'0')*4 + (s.charAt(i+1)-'0')*2 + (s.charAt(i+2)-'0'));
System.out.print(num);
}
br.close();
}
}
알고리즘 & 자료구조/백준