import java.io.; import java.util.; import java.math.BigInteger; import java.security.MessageDigest;

public class Solution {

public static void main(String[] args) {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */

    Scanner scn=new Scanner(System.in);
    String str=scn.nextLine();
    scn.close();
    String output="";
    try{
         MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] digest = md.digest(str.getBytes());
        BigInteger bigInteger = new BigInteger(1,digest);

        String hash = bigInteger.toString(16);
        while(hash.length() < 32){
            hash += "0" + hash;
        }

        output = hash;
        System.out.println(output);
    }catch(Exception e){
        System.out.println(e.getMessage());

    }

}

}