using System;

namespace chapter3
{
	/// <summary>
	/// Shoe 的摘要說明。
	/// </summary>
	interface IProduct
	{
		int GetPrice(int id);
		string ShowName(string name);
	}
	interface ISize
	{
		int GetSize();
	}
	 class Shoe: IProduct,ISize
	{
		public int GetPrice(int id)
		{
			if(id==1)
				return 50;
			else
				return 100;
		}
		public string ShowName(string name)
		{
			Console.WriteLine(name);
			return name;
		}
		 public int GetSize()
		 {
			 return 35;
		 }
	}
		
	
}