填空题

窗体上命令按钮Command1的事件过程如下：
Private Sub Command1_Click()
Dim total As Integer
total=s(1)+s(2)
Print total
End Sub
Private Function s(m As Integer) As Integer
Static x As Integer
For i=1 To m
x=x+1
Next i
s=x
End Function
运行程序，第三次单击命令按钮Command1时，输出结果为______。

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