#!/usr/bin/env python

import sys

def to_ul( lst ):
	buf = []
	for cols in lst:
		dirty = False
		for ( i, col ) in enumerate( cols ):
			if not col and not dirty:
				continue
			dirty = True
			if not col:
				col = "''"
			s = col.replace( '\n', '\\n' )
			s = ' ' * ( i * 2 ) + s
			buf.append( s )
	return '\n'.join( buf )
				
if __name__ == "__main__":
	f = sys.stdin
	s = f.read()
	lst = eval( s )
	s = to_ul( lst )
	print( s )

# EOF