def fun():
year = int(input("只要你输入一个年份我就可以告诉你是否是闰年:"))
# if (year % 400 == 0) or (year % 4 == 0 and year % 100 != 0):
if (year % 400 is 0) or (year % 4 is 0 and year % 100 is not 0):
print("您输入的年份[%d]是润年" % year)
else:
print("您输入的年份[%d]不是润年" % year)
fun()