#! /usr/env/python3

from collections import Counter

text = '''2>4
1>2
2>3
3>5
3>1
1>4
4>2
'''

def transform(s, number_map={}, count=Counter()):
	number = number_map.setdefault(s, len(number_map) + 1)
	count[number] += 1
	return str(number) + '.' + str(count[number])

for line in text.splitlines():
	left, right = line.split('>')
	print(transform(left) + '>' + transform(right))