class Dice
  attr_reader :current
  def initialize(current = 1, north = 5, east = 3)
    @current = current
    @north = north
    @east = east
  end

  def roll(direction)
    case direction
    when "N"
      @current, @north = 7 - @north, @current
    when "S"
      @current, @north = @north, 7 - @current
    when "E"
      @current, @east  = 7 - @east, @current
    when "W"
      @current, @east  = @east, 7 - @current
    end
    self
  end
end

dice = gets.split
puts dice[gets.chomp.chars.reduce(Dice.new) {|acc, x| acc.roll(x) }.current - 1]