using System;

public class Program

{

    public static void Main()

    { 

        /*double x=12,y=9;

        double t=4;

        y=x+y;

        x=y-x;

        y=y-x;

        Console.WriteLine("x= "+x+"y= "+y);

        if(x>y)

            t=x;

            x=y;

            y=t;

            Console.WriteLine("x= "+x+"y= "+y);*/

        /*x,n1,n2,n3;

        Console.WriteLine("Please enter a number " );

        x=int.Parse(Console.ReadLine());

        n1=x/100;

        n2=(x/10)%10;

        n3=x%10;

        Console.WriteLine(n1+" "+n2+" "+ n3);

        if((n1==n2)&&(n2==n3))

           Console.WriteLine("yes");

           else 

           Console.WriteLine("no");*/

    }

}