import java.util.Scanner;
public class Stack_reverse
public static void main(String[] args)
Scanner in = new Scanner(System.in);
System.out.print("value");
String str = in.nextLine();
Stack<Character> stack = new Stack<>();
for(int x = 0; x < str.length(); x++)
stack.push(str.charAt(x));
System.out.print("The reverse string is ");
System.out.print(stack.pop());