import java.util.*;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] trans = sc.next().toCharArray();
		StringBuilder sb = new StringBuilder();
		for (char c : sc.next().toCharArray()) {
		    if (c >= '0' && c <= '9') {
		        sb.append(trans[c - '0']);
		    } else {
		        sb.append(c);
		    }
		}
		System.out.println(sb);
	}
}