using System; 
using System.Linq; 
 
namespace Program; 
 
public static class Program 
{ 
    public static void Main()
    {

        Console.WriteLine("Enter your name: ");
        string name = Console.ReadLine();
        Console.Clear();


        Console.WriteLine("Enter your age: ");
        string age = Console.ReadLine();
        int Age = int.Parse(age);
        Console.Clear();

        Console.WriteLine($"Your name is {name}");
        Console.WriteLine($"Your age is {age}");
        // Console.WriteLine("press any key to continue...");

        if (Age <= 18)
        {
            Console.WriteLine("Your a little");
        }
        else if (Age > 18)
        {
            Console.WriteLine("Your a dult");
        }
        else
        {
            Console.WriteLine("Error....");
        }

    } 
}

using System;

class Program
{
    static void Main()
    {
        Console.Write("تعداد عناصر آرایه را وارد کنید: ");
        int size = int.Parse(Console.ReadLine());

        int[] array = new int[size];

        for (int i = 0; i < size; i++)
        {
            Console.Write("عنصر " + (i + 1) + " را وارد کنید: ");
            array[i] = int.Parse(Console.ReadLine());
        }

        int sum = 0;
        for (int i = 0; i < size; i++)
        {
            sum += array[i];
        }

        double average = (double)sum / size;
        Console.WriteLine("میانگین عناصر آرایه: " + average);
    }
}

using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Serialization;
using Test1;

namespace Test1
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Enter your number: ");
            string Read = Console.ReadLine();
            int input_number = int.Parse(Read);

            switch (input_number)
            {
                case 4:
                    {
                        Console.WriteLine("Enter number 1: ");
                        int Number1 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 2: ");
                        int Number2 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 3: ");
                        int Number3 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 4: ");
                        int Number4 = int.Parse(Console.ReadLine());
                        Console.WriteLine($"Sum = {Number1 + Number2 + Number3 + Number4}");
                        break;
                    }
                case 5:
                    {
                        Console.WriteLine("Enter number 1: ");
                        int Number1 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 2: ");
                        int Number2 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 3: ");
                        int Number3 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 4: ");
                        int Number4 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 5: ");
                        int Number5 = int.Parse(Console.ReadLine());
                        Console.WriteLine($"Sum = {Number1 + Number2 + Number3 + Number4 + Number5}");
                        break;
                    }
                default:
                    {
                        Console.WriteLine("Enter number 1: ");
                        int Number1 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 2: ");
                        int Number2 = int.Parse(Console.ReadLine());
                        Console.WriteLine("Enter number 3: ");
                        int Number3 = int.Parse(Console.ReadLine());
                        Console.WriteLine($"Sum = {Number1 + Number2 + Number3}");
                        break;
                    }
            }

        }
    }
}