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

public class Solution {

public static void main(String[] args) throws Exception {
    Scanner scan = new Scanner(System.in);

    String str = scan.nextLine();

    scan.close();

    try {

        // Static getInstance method is called with hashing MD5
        MessageDigest md = MessageDigest.getInstance("MD5");

        // digest() method is called to calculate message digest
        // of an input digest() return array of byte
        byte[] messageDigest = md.digest(str.getBytes());

        // Convert byte array into signum representation
        BigInteger no = new BigInteger(1, messageDigest);

        // Convert message digest into hex value
        String hashtext = no.toString(16);
        while (hashtext.length() < 32) {
            hashtext = "0" + hashtext;
        }

        System.out.println(hashtext);
    }

    // For specifying wrong message digest algorithms
    catch (Exception e) {
        throw new Exception(e);
    }

}

}