Filip Solution:

import java.util.Scanner;

public class Kattis {
    public static void main(String[] args){
        String[] nums = new Scanner(System.in).nextLine().split(" ");
        int sigD = 3;
        int test = -1;
        for(;;)
        switch (test){
            case 0: System.out.println(new StringBuilder(nums[test]).reverse()); return;
            case 1: System.out.println(new StringBuilder(nums[test]).reverse()); return;
            default: test = (nums[0].charAt(--sigD) - nums[1].charAt(sigD) == 0)?-1:(nums[0].charAt(sigD) > nums[1].charAt(sigD))?0:1;
        }
    }
}