Imports System.Collections.Generic
Imports System.Console

Module Program
    Sub Main()
        Dim S As String = NextString()
        Dim x, y As New HashSet(Of Char)

        For Each c As Char In S
            Select Case c & ""
                Case "N", "S"
                    y.Add(c)
                Case "W", "E"
                    x.Add(c)
            End Select
        Next

        WriteLine(New String() {"No", "Yes"}(B2I(x.Count Mod 2 = 0 And y.Count Mod 2 = 0)))
    End Sub

    Function B2I(ok As Boolean) As Integer
        If ok Then Return 1
        Return 0
    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
