Imports System

Public Module Module1

    Public Sub Main()

        sub1()

    End Sub

    private sub sub1()

        dim n1 as decimal

        n1= console.ReadLine()

        for i = 1 to n1

        if n1 Mod 2 = 0 then

            console.Write("+" & n1)

        end if

        n1 = n1 -1

        next

    end sub

End Module