运行下面的程序，单击commandl，在窗体上显示的变量A的值为（）,变量B的值为（）

Option Explicit

Dim A As Integer

Private Sub Command1_Click()

Dim B As Integer

B=3

A=4

B=Fun(Fun(A,B+2),A)+B

Print A,B

EndSub

Private Function Fun(N As Integer,K As Integer)

N=N+A

K=N-K

Fun=N+K+A

End Function