Module Module1
Sub Main()
Dim num, c As Integer
Console.WriteLine("enter 1 number")
num = Console.ReadLine()
Console.WriteLine("1 cheak positive negative 2 odd/even 3 exit")
c = Console.ReadLine()
Select Case c
Case 1
If (num >= 0) Then
Console.WriteLine("positive number")
Else
Console.WriteLine("negative number")
End If
Case 2
If (num Mod 2 = 0) Then
Console.WriteLine("even number")
Else
Console.WriteLine("odd number")
End If
Case 3
Console.WriteLine("exit")
Case Else
Console.WriteLine("wrong input")
End Select
Console.ReadLine()
End Sub
End Module