CSharp - Write program to combine several AND and OR operators

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Requirements

You will check the user name and password combination for two users.

Both will have their own passwords.

Hint

You can combine both conditional operators: AND with OR.

Demo

using System;


class Program//from  ww w  . jav a  2 s  .c  o  m
{
    static void Main(string[] args)
    {
        // Correct values 
        string correctUsername1 = "a";
        string correctPassword1 = "pass1";

        string correctUsername2 = "b";
        string correctPassword2 = "pass2";

        // Inputs 
        Console.Write("User name: ");
        string enteredUsername = Console.ReadLine();

        Console.Write("Password: ");
        string enteredPassword = Console.ReadLine();

        // Evalulating 
        if (enteredUsername.ToLower() == correctUsername1.ToLower() &&
            enteredPassword == correctPassword1 ||
            enteredUsername.ToLower() == correctUsername2.ToLower() &&
            enteredPassword == correctPassword2)
        {
            Console.WriteLine("Thanks for your books!");
        }
        else
        {
            Console.WriteLine("Could not log you in.");
        }

    }
}

Result