class program2 {
              public static void main(String[] args) {
              Thread evenThread = new Thread(new EvenPrinter());
              Thread oddThread = new Thread(new OddPrinter());
              
              evenThread.start();
              oddThread.start();
              }
              }
              
              class EvenPrinter implements Runnable {
              public void run() {
              for (int i = 2; i <= 20; i += 2) {
              System.out.println("Even: " + i);
              try {
              Thread.sleep(500); // Add delay for better readability
              } catch (InterruptedException e) {
              e.printStackTrace();
              }
              }
              }
              }
              
              class OddPrinter implements Runnable {
              public void run() {
              for (int i = 1; i <= 20; i += 2) {
              System.out.println("Odd: " + i);
              try {
              Thread.sleep(500); // Add delay for better readability
              } catch (InterruptedException e) {
              e.printStackTrace();
              }
              }
              }
              }