我国古代数学家张丘建在其著名的《算经》中提出了百鸡问题：每只公鸡5元，每只母鸡3元，三只雏鸡1元；如何用100元买100只鸡，即公鸡、母鸡、雏鸡各多少只。请在空白处填入适当的内容，将程序补充完整。
Private Sub Commandl_Click()
Dim Cock As Integer
Dim Hen As Integer
Dim Chick As Integer
Forml．Print“公鸡数”，“母鸡数”，“雏鸡数”
For Cock；0 To 20
For Hen=0 To 33
For Chick=0 To 100
If 【 】Then
Form1．Print Cock，Hen，Chick
End If
Next Chick
Next Hen
Next Cock
End Sub
【参考答案】
Cock + Hen + Chick = 100 And 5 * Cock + 3 * Hen + ch/3 = 100