s = gets.chomp.split('')
t = {}
w = 0
max = 0
tmp = ''
loop do
  if s[0] == 'ｗ'
    s.shift
  else
    break
  end
end
s.each do |v|
  if v == 'ｗ'
    w += 1
    if w > max
      max = w
    end
  else
    if w != 0
      if t[w].nil?
        t[w] = tmp
      else
        t[w] +=  "\n" + tmp 
      end
      w = 0
      tmp = v
    else
      tmp += v
    end
  end
end
if max > 0
  if t[w].nil?
    t[w] = tmp
  else
    t[w] += "\n" + tmp
  end
  puts t[max].strip
else
  puts ''
end