02. Ad Astra

import re

pattern = r'(?P<symbol>[#|/])(?P<name>[a-zA-Z\s]+)(?P=symbol)(?P<date>\d{2}/\d{2}/\d{2})(?P=symbol)(?P<calories>\d{1,5})(?P=symbol)'
text = input()
total_calories = 0
matches = list(re.finditer(pattern, text))
for match in matches:
    total_calories += int(match.group('calories'))

print(f'You have food to last you for: {total_calories//2000} days!')
for match in matches:
    print(f"Item: {match.group('name')}, Best before: {match.group('date')}, Nutrition: {match.group('calories')}")