Imports System.Collections.Generic
Imports System.Console

Module Program
    Sub Main()
        Dim A As Integer = NextInt()
        Dim B As Integer = NextInt()
        Dim K As Integer = NextInt()

        For i As Integer = 0 To K - 1
            If A + i < B Then WriteLine(A + i)
        Next

        For j As Integer = K - 1 To 0 Step -1
            If A + K - 1 < B - j Then WriteLine(B - j)
        Next
    End Sub

    Function NextInt() As Integer
        Return CInt(NextString())
    End Function

    Function NextString() As String
        Dim result As New List(Of Char)
        Do
            Dim tmp As Integer = Read()
            If tmp < 0 Then Exit Do
            Dim nextChar As Char = Chr(tmp)

            If Not Char.IsWhiteSpace(nextChar) Then
                result.Add(nextChar)
            ElseIf nextChar <> vbCr Then
                Exit Do
            End If
        Loop
        Return New String(result.ToArray())
    End Function

End Module
