单选题 在窗体上画1个命令按钮，名称为Command1，然后编写如下程序：Dim Flag As BooleanPrivate Sub Command1_Click()Dim intNum As IntegerintNum=InputBox("请输入：")If Flag ThenPrint f(intNum)End IfEnd SubFunction f(X as Integer)As IntegerIf X＜10ThenY=XElseY=X+10End Iff=YEnd FunctionPrivate Sub Form_MouseUp(Button As Integer，Shift As Integer，X as Single，Y As Single)Flag=TrueEnd Sub运行程序，首先单击窗体，然后单击命令按钮，在输入对话框中输入5，则程序的输出结果为( )。