Imports System
public class MainClass
Shared Sub Main()
Dim i1 As Integer = 5
Dim i2 As Integer = 10
Dim i3 As Integer = 15
Dim i4 As Integer = 20
Console.WriteLine(i1 + i2)
Console.WriteLine(i2 - i3)
Console.WriteLine(i4/ i1)
Console.WriteLine(i4 * i2)
End Sub
End Class