import java.util.*;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
scanner.useDelimiter("\n");
while (scanner.hasNext()){
String key = scanner.next();
String original = scanner.next();
//原始map,26个英文字母
StringBuilder map = new StringBuilder("abcdefghijklmnopqrstuvwxyz");
//去重用
HashSet<Character> hashSet = new HashSet<>();
for (int i = 0,j=0; i < key.length(); i++) {
char c = key.charAt(i);
if (!hashSet.contains(c)){
hashSet.add(c);
//先删除原有顺序中的字母
map.deleteCharAt(map.indexOf(c+""));
//依次插入
map.insert(j++, c);
}
}
for (int i = 0; i < original.length(); i++) {
char c = original.charAt(i);
//map下标从0开始,小写英文从97开始,要减去97
System.out.print(map.charAt(c-97));
}
}
}
}