#!/usr/bin/env python

import yaml
import nkf

heads = [ 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'h7', 'h8', 'h9' ]
end = '$$$_end_$$$'
modes = heads + [ 'p', end ]

def do_mode(mode, buf, res):
	if mode in heads:
		buf = list( map( lambda s: s.strip(), buf ) )
		buf = list( filter( lambda s: s!='', buf ) )
		s = ''.join(buf)
		res.append( { mode: s } )
	elif mode == 'p':
		buf = list( map( lambda s: s.strip(), buf ) )

		buf.append('')
		(lsts, lst) = ( [], [] )
		for s in buf:
			if s:
				lst.append(s)
			elif lst:
				lsts.append(lst)
				lst = []
		for lst in lsts:
			res.append( { 'p': lst } )
def ezmd(lst):
	lst = ['p'] + lst + [end]
	(buf, res) = ( [], [] )
	mode = ''
	while mode != end:
		s = lst.pop(0)
		if s in modes and s != mode:
			do_mode(mode, buf, res)
			mode = s
			buf = []
		else:
			buf.append(s)
	return res

if __name__ == "__main__":
	b = nkf.get_stdin()
	(s, nkf_opt) = nkf.to_str(b)
	lst = s.split('\n')

	lst = ezmd(lst)

	u8 = yaml.dump( lst, default_flow_style=False, allow_unicode=True, encoding='utf-8' )
	b = nkf.cvt(u8, nkf_opt) if nkf_opt != '-u' else u8
	nkf.put_stdout(b)
# EOF