s = gets.chomp.gsub(/^ｗ/, '')

cnt, longest = 0, 0

s.split('').each do |c|
  if c == 'ｗ'
    cnt += 1
    longest = longest < cnt ? cnt : longest
  else
    cnt = 0
  end
end

if longest == 0 or longest == s.length
  puts
  exit true
end

regex = Regexp.new("[^ｗ]+?ｗ{#{longest}}")

arr = s.scan(regex)

if arr.length == 0
  puts
  exit true
end

puts arr.map{|item| item.gsub(/ｗ+/, '')}