title: I am taking MSB3026 eror code and ı dont know why :(
body: <p>I am trying make little project for pratice in c#.
  but when ı am Start the code ı getting MSB3026 eror in visual studio console.
  Can you help me please :(. Sorry for the Turkish sentences. `</p>
  <pre><code>        İşlem tp = new İşlem();
  
          Console.WriteLine(&quot;İşlem yapmak istediğiniz 2 sayıyı Giriniz&quot;);
          Console.WriteLine(&quot;-------------------------------------------&quot;);
  
          tp.Four(Convert.ToInt32(Console.ReadLine()),Convert.ToInt32(Console.ReadLine()));
  
  
      }
  }
  </code></pre>
  <p>//And my Class :</p>
  <pre><code>{
  
      public int Four(int s1, int s2)
      {
          int s3 = s1 + s2;
          Console.WriteLine(&quot;Toplama İşlemi Sonucu: &quot; + s3.ToString());
          return s3;
      }
  
  }
  </code></pre>
  <p>`</p>