using System;

interface IColor
{
	void Foo();
}

class Red : IColor
{
	public int Foo(int x) { throw new NotImplementedException(); }
	void IColor.Foo() { throw new NotImplementedException(); }
}

class Wrapper
{
	private Red _red = new Red();

	public int Foo(int x)
	{
		return _red.Foo(x);
	}

	public void Foo()
	{
		((IColor) _red).Foo(); /* Proper method is invoked */
	}
}