days

using System;

class HelloWorld {

    static void Main() {

        Console.WriteLine("Enter the day of the week (1 to 7): ");

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

        if (day == 1) {

            Console.WriteLine("The entered day is Monday.");

        }

        else if (day == 2) {

            Console.WriteLine("The entered day is Tuesday.");

        }

        else if (day == 3) {

            Console.WriteLine("The entered day is Wednesday.");

        }

        else if (day == 4) {

            Console.WriteLine("The entered day is Thursday.");

        }

        else if (day == 5) {

            Console.WriteLine("The entered day is Friday.");

        }

        else if (day == 6) {

            Console.WriteLine("The entered day is Saturday.");

        }

        else if (day == 7) {

            Console.WriteLine("The entered day is Sunday.");

        }

        else if (day >= 8) {

            Console.WriteLine("The entered day is invalid.");

        }

        else {

            Console.WriteLine("Invalid day number. Please enter a number from 1 to 7.");

        }

    }

}