Problem:
Reverse Sequence

Write a program which reverses a given string str.

Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in JAVA (judge verdict: Accepted)

import java.util.*;
public class Main{
  public static void main(String [] args){
    Scanner sc = new Scanner(System.in);
    String input = sc.next();
    String output;
    char [] str = input.toCharArray();
    char con;
    for(int i = 0;i < str.length / 2;i++){
      con = str[i];
      str[i] = str[str.length - 1 - i];
      str[str.length - 1 - i] = con;
    }
    System.out.println(String.valueOf(str));
  }
}