import java.util.*;

public class Main {
    public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String sample = scan.nextLine();
		String str = scan.nextLine();
	
		for (int i = 0; i < str.length(); i++) {
			if (Character.getNumericValue(str.charAt(i)) >= 0 && Character.getNumericValue(str.charAt(i)) <= 9 ) {
				System.out.print(sample.charAt(Character.getNumericValue(str.charAt(i))));
				break;
			}else{
				System.out.print(str.charAt(i));
			}
		}
    }
}