#!/usr/bin/env ruby input = gets.chomp.split(',') startline = %w( a b c d e f g h i j k l m n o p ) line = startline.dup i = 0 def dodance(line, dance) dance.each do |istr| case istr[0] when 's' n = istr[1..-1].to_i line = line[-n..-1] + line[0..-n-1] when 'x' ns = istr[1..-1].split('/').map(&:to_i) t = line[ns[0]] line[ns[0]] = line[ns[1]] line[ns[1]] = t when 'p' ps = istr[1..-1].split('/') i0 = line.index(ps[0]) i1 = line.index(ps[1]) line[i0] = ps[1] line[i1] = ps[0] end end line end loop do line = dodance(line, input) i += 1 break if line == startline end (1_000_000_000 % i).times do line = dodance(line, input) end puts line.join