using System;
using System.Collections.Generic;
 
namespace program
{
    class X
    {
        string nazwa;
 
        public X(string n)
        {
            nazwa = n;
        }
 
        public void display()
        {
            Console.WriteLine("{0}", this.nazwa);
        }
    }
 
    class program
    {
        static void Main(string[] args)
        {
            X x = new X("kotek");
            x.display();
        }
    }
}

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