AOJ:0006

gistfile1.java

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);
		String str = scn.next();
		int strl = str.length();
		String rstr = new String();
		for (int i = 0; i < strl; i++) {
			char c = str.charAt(strl - i - 1);
			rstr = rstr + c;
		}
		System.out.println(rstr);
	}
}