private void Execute_Click(object sender, EventArgs e)
{
  int x, y, m, n;
  x = Convert.ToInt32(textBox1.Text);
  m = (x << 5) - x;
  n = -((x << 4) + x);
  y = m + n + 5;
  label2.Text = "y =  " + y.ToString();
  m = x % 10;
  n = x / 10;
  n = m * 10 + n;
  label2.Text += "   Reverse x = " + n.ToString();
}
