using System;
 
public class Test
{
	public static void Main()
	{
		// your code goes here
	}
}
 

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using System;

public class Test
{
    public static void Main()
    {
        // طباعة رسالة ترحيبية
        Console.WriteLine("مرحباً بالعالم!");

        // جمع عددين وعرض النتيجة
        int number1 = 10;
        int number2 = 20;
        int sum = number1 + number2;

        Console.WriteLine("مجموع العددين " + number1 + " و " + number2 + " هو: " + sum);

        // مثال على حلقة تكرارية
        Console.WriteLine("الأعداد من 1 إلى 5:");
        for (int i = 1; i <= 5; i++)
        {
            Console.WriteLine(i);
        }
    }
}