单项选择题

单击命令按钮时，下列程序的执行结果为　　
Private Sub Command1_Click( )
Dim x As Integer，y As Integer
x=50：y=78
Call PPP(x，y)
Print x；y
End Sub
Public Sub PPP(ByVM n As Integer，ByVal m As Integer)
n=n\l0
m=m\l0
End Sub