import java.util.Scanner;
public class Exe6_2{ 
  public static void print_reverse ( String x) {
    for(int i=x.length()-1; i>=0; i--){
       System.out.print(x.charAt(i));
    }
  }
  public static void main ( String [] args){ 
    Scanner input = new Scanner(System.in);
    String input_string,output_string;
    System.out.println("Please input a string.");
    input_string = input.next();
    System.out.println("Reverse string is:");
    print_reverse(input_string); 
  }// main
}// Exe6_2