def year():
n = input("请输入年月(空格分割)")
a = n.split(" ")
a1 = a[0]
b = a[1]
year = [29, 30, 31, 28]
if int(a1) % 4 == 0 and int(a1) % 100 != 0 or int(a1) % 400 == 0:
if int(b) in [1, 3, 5, 7, 8, 10, 12]:
return year[2]
elif int(b) in [4, 6, 9, 11]:
return year[1]
else:
return year[0]
else:
if int(b) in [1, 3, 5, 7, 8, 10, 12]:
return year[2]
elif int(b) in [4, 6, 9, 11]:
return year[1]
else:
return year[3]