import java util Scanner Created by alex on 23 05 14 public class KMP

import java.util.Scanner;

/**
 * Created by alex on 23.05.14.
 */
public class KMP {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String string = scanner.next();
        String pattern = scanner.next();
        String result = pattern + "$" + string;
    }

    public static void proccess(String s) {
        int[] prefixValues = new int[s.length()];
        prefixValues[0] = 0;
        int currentChar = 1;
        for (int i = 1; i < s.length(); i++) { // n + m
            int j = prefixValues[i - 1];
            while (j > 0  && s.charAt(i) != s.charAt(j)) {  //m - 1
                j = prefixValues[j - 1];
            }
            if (s.charAt(i) == s.charAt(j)) {
                prefixValues[i] = j + 1;
            }
        }

        for (int i : prefixValues) {
            System.out.print(i + " ");
        }
    }
}