using System;

public class Program

{

    public static void Main()

    {

        string user,pass;

        Console.Write("Username :");

        user = Console.ReadLine();

        Console.Write("Password :");

        pass = Console.ReadLine();

        if(user=="admin" && pass=="a12345")

        {

            Console.WriteLine("Welcome !!! admin");

        }

        else

        {

            Console.WriteLine("Username or Password invalid!!!");

        }

    }

}