import java.util.Scanner;
public class Main {
public static String decipher(String ciphertext, String knownWord) {
String txt = ciphertext;
String wrd = knownWord;
char[] abc = new char[26];
for ( int i=0 ; i < 26 ; i++) {
abc[i] = (char) ('a' + i );
//System.out.println(abc[i]);
}
for ( int i=0 ; i < txt.length() ; i++) {
for (char c : abc) {
if (c == txt.charAt(i)) {
String nt = txt.replace("");
}
}
//System.out.println(abc[i]);
}
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String ciphertext = scanner.nextLine();
String knownWord = scanner.nextLine();
String result = decipher(ciphertext, knownWord);
System.out.println(result);
}
}