C#

public int X
      {
          //Some Expression
          get { return this.Y * this.Z; }
      }

      public int Y
      {
          //Some Expression
          get { return (int)((Math.Sin(new Random() * 10))*52); }
      }

      private void button1_Click(object sender, EventArgs e)
      {

          string codeExpressionThatReturnInt = "return (this.X*this.Y%2);";
          int numbber = operateThisString(codeExpressionThatReturnInt);
          if (number == 0)
              MessageBox.Show("This number is Even.");
          else if(number==1)
              MessageBox.Show("This number is Odd.");
      }