import java.util.Scanner;

public class HelloWorld {

	    public static void main(String[] args) throws Exception {

	    	Scanner sc = new Scanner(System.in);
	    	char[] convert_rule = sc.nextLine().toCharArray();
	    	char[] str_input = sc.nextLine().toCharArray();
	    	sc.close();

	    	for (int i = 0; i < str_input.length; i ++) {
	    		if (str_input[i] >= '0' && str_input[i] <= '9') {
	    			str_input[i] = convert_rule[str_input[i] - 48];
	    		}
	    	}

	    	for (int i = 0; i < str_input.length; i ++) {
	    		System.out.print(str_input[i]);
	    	}
	    	System.out.println("");
	     }



}