using System;

public class Program

{

    public static void Main()

    {   int n;

        Console.WriteLine( "Nhap so n" );

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

        if ( n == 2 )

            Console.WriteLine(" Hom nay la thu hai ");

                else if ( n == 3 )

                    Console.WriteLine(" Hom nay la thu ba ");

                        else if ( n == 4 )

                            Console.WriteLine(" Hom nay la thu tu ");

                            else if (n == 5 )

                                Console.WriteLine(" Hom nay la thu nam");

                                    else if ( n == 6 )

                                        Console.WriteLine(" Hom nay la thu ");

                                        else if ( n == 7 )

                                            Console.WriteLine(" Hom nay la thu bay");

                                                else

                                                     Console.WriteLine(" Hom nay la chu nhat");

        }

    }