import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		char[] a = sc.next().toCharArray();
		char[] s = sc.next().toCharArray();
		sc.close();

		for (int i = 0; i < s.length; i++) {
			if ('0' <= s[i] && s[i] <= '9') {
				System.out.print(a[s[i] - '0']);
			} else {
				System.out.print(s[i]);
			}
		}
	}
}