namespace CloudPlatform;
public interface IResource
{
    void Start();
}
public interface IComputableResource : IResource
{
    void AssignTask();
}
public interface IScalableResource : IComputableResource
{
    void ScaleUp();
}
public class VirtualMachine : IScalableResource
{
    public void Start()
    {
        Console.WriteLine("Virtual machine booting up...");
    }
    public void AssignTask()
    {
        Console.WriteLine("Task assigned to virtual machine.");
    }
    public void ScaleUp()
    {
        Console.WriteLine("Allocating additional CPU and RAM...");
    }
}