Comparison of two textboxs

Question

Dear Friends,
I want to compare two values of textboxs please, check my code

Int32 val11 = Convert.ToInt32(textBox4.Text);
 Int32 val22 = Convert.ToInt32(textBox10.Text);
 if(val11 >> val22)
 { 
 MessageBox.Show("Please, check Maximum Limit of Quantity.Quantity should be less tha fix Limit", "Limit", MessageBoxButtons.AbortRetryIgnore, MessageBoxIcon.Warning);
                        textBox15.Focus();
                        textBox4.ForeColor = Color.Red;
 }
 else
 {
                        textBox4.ForeColor = Color.Green;
 }

I got error.

Error CS0029 Cannot implicitly convert type 'int' to 'bool'