#!/usr/bin/env python2

import sys
import yaml

if __name__ == "__main__":
	s = sys.stdin.read()
	d = yaml.load(s)
	foo = d.get('foo')
	bar = d.get('bar')
	d['hoge'] = foo + ' ' + bar
	d['fuga'] = 'foo={} bar={}'.format(foo, bar)
	d['guha'] = '(^_^)'.join( d.values() )
	s = yaml.dump(d, default_flow_style=False)
	sys.stdout.write(s)
# EOF