Imports System.Collections.Generic
Imports System.Console

Module Program
    Sub Main()
        Dim S As String = NextString()
        Dim x, y As Integer

        For Each c As Char In S
            Select Case c
                Case "N"c
                    y += 1
                Case "W"c
                    x -= 1
                Case "S"c
                    y -= 1
                Case "E"c
                    x += 1
            End Select
        Next

        WriteLine(New String() {"Yes", "No"}(B2I(x <> 0 Or y <> 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
