/*
 * C# Program to Demonstrate Boxing Operations
 */
using System;
class sample
{
    int x = 10;
    object obj;
    void boxmethod()
    {
        sample s= new sample();
        bool b;
        object ob="CSHARP";
        b=s.obj is int;
        Console.WriteLine(b);
        s.obj = x;
        b = s.obj is int;
        Console.WriteLine("{0},{1},{2}",s.obj,s.x,b);
        s.x = (int)s.obj;
        s.x = 20;
        b = s.obj is int;
        Console.WriteLine("{0},{1},{2}", s.obj, s.x, b);
        s.obj="CSHARP";
        b=s.obj is int;
        Console.WriteLine("{0},{1},{2}",s.obj,s.x,b);
        Console.ReadLine();
    }
    public static void Main()
    {
        sample s=new sample();
        s.boxmethod();
    }
}

/*
False
10,10,True
10,20,True
CSHARP,20,False