View Code of Problem 52

import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		String s0 = in.nextLine();
		String[] s1 = s0.split("");
		for(int i =(s1.length)-1;i>=0;i--) {
			System.out.print(s1[i]);
		}
	}
}