using System;

public class Program

{

    public static void Main()

    {

    int a = 4 ; int b = 6 ; int c = 0;

        if (a > 0)

        {

        if ( b > 0 )

            c = 3 ; 

        }

        else

        {

            c = 555 ;

    }

        Console.WriteLine(c);

 } 

}