using System;
 
interface IWrapper
{
    void Print();
}
 
class Wrapper<T> : IWrapper
{
    T t;
    public Wrapper(T t) { this.t = t; }
    public void Print() { Console.WriteLine("Wrapper <" + typeof(T).Name + ">"); }
}
 
class Program
{
    static public void Print<T>(T t)
    {
        if (t is IWrapper)
        {
            ((IWrapper)t).Print();
        }
        else
        {
            Print(new Wrapper<T>(t));
        }
    }
 
    static void Main(string[] args)
    {
        Print(0);
    }
}
 

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