/**
* Author : Berk Soysal
*/

package herrberk;

import java.util.Scanner;
import java.util.Stack;

public class Main {

 // Scanner objects to read information from the console
 private static final Scanner intsc = new Scanner(System.in);
 private static final Scanner strsc = new Scanner(System.in);

 // Shows the pushed element to the stack and the stack itself after the push 
 private static void showPush(Stack st, int b) {
   st.push(new Integer(b));
   System.out.println("Push "+ b + " to the stack");
   System.out.println("stack: " + st);
 }

 // Shows the popped element from the stack
 private static void showPop(Stack st){
  Integer a = (Integer) st.pop();
  System.out.println("Removed "+ a + " from the stack");
  System.out.println("stack: " + st);
 }

 // Main function
 public static void main(String[] args) {

  int a, i=3;//number of elements desired (stack capacity)
  Stack st = new Stack ();

  System.out.println("Stack is empty!");
  
  // Loop to push integers 
  while (i-- > 0){
    System.out.println("Enter an integer: ");
    a = intsc.nextInt();
    showPush(st, a);
  }
  
  // User enters 0 to empty the stack
  System.out.println("Press Enter 0 to empty the stack"); 
  String ss = strsc.nextLine();

  if(ss.contentEquals("0")){
    while (!st.empty()){  
      showPop(st);
    }
  }
  else { 
    System.out.println("Stack remains full !");
    System.exit(1);
  }
 }
}