using System;
using System.Collections.Generic;
public class Starter {
public static void Main() {
Console.WriteLine("Forward List");
MyClass obj = new MyClass();
foreach (int item in obj) {
Console.Write(item);
}
Console.WriteLine("\nReverse List");
foreach (int item in obj.Reverse) {
Console.Write(item);
}
}
}
public class MyClass {
private int[] list1 = new int[] { 0, 2, 4, 6, 8 };
public IEnumerator GetEnumerator() {
for (int index = 0; index < 5; ++index) {
yield return list1[index];
}
}
public IEnumerable Reverse {
get {
for (int index = 4; index >= 0; --index) {
yield return list1[index];
}
}
}
}