# ???? - Python2020 Quiz3 Problem2
###### tags: `Quiz`

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## Description
輸入4個年份要你一次判斷是平年還是閏年

## Solution

#!/usr/bin/env python3
def check_year(year):
	return bool(not year%400) or (bool(not year%4) and bool(year%100))

Years = []
for i in range(4):
	Years.append(int(input()))
for i in Years:
	print(f"{i} is a {'leaf' if check_year(i) else 'common'} year")