ReverseString.java

import java.util.*; 
//import java.io.*;

class Main {  
  public static String FirstReverse(String str) { 
  
    // code goes here   
    /* Note: In Java the return type of a function and the 
       parameter types being passed are defined, so this return 
       call must match the return type of the function.
       You are free to modify the return type. */
       
      int len = str.length() - 1;
      String newStr = "";
      
      while(len >= 0) {
          
          newStr = newStr + (char) str.charAt(len--);
      }
       
       
       
    return newStr;
    
  } 
  
  public static void main (String[] args) {  
    // keep this function call here     
    Scanner s = new Scanner(System.in);
    System.out.print(FirstReverse(s.nextLine())); 
    s.close();
  }   
  
}