//This is my first CSharp language program
using System;
  public class MyLab
   {
    public static void Main()
    {
        int n = 0;      int i = 0;      int s = 0;
       Console.WriteLine("Please enter value for N\n");
       n = int.Parse(Console.ReadLine());
       s = 0;
       for (i = 1; i <= n; i += 1)
           {
            if (i % 2 == 0)
            {
             s = s + i;
            Console.WriteLine("Current value i=" + i + " S=" + s);
            }
        }
        Console.WriteLine("Final result suma is S=" + s);
    }
}
 

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

MTA=

10