public static void Main(string[] args)
{
CustomStack <int> stack = new CustomStack <int>();
stack.Push(4);
stack.Push(5);
stack.Push(6);
stack.Push(7);
foreach (var item in stack)
{
Console.WriteLine(item);
}
Console.WriteLine(stack.Contains(7));
Console.WriteLine();
while (stack.Count > 0)
{
Console.WriteLine(stack.Pop());
}
}
