n=int(input())
if n%4==0 and n%100!=0 or n%400==0: print('yes')
else: print('no')

三行诗(划掉)

x=int(input())
(1000<=x<=9999)
if(x%400==0) or (x%4==0 and x%100!=0):
print("yes")
else:
print("no")

year=int(input(),10)

if year %400==0 or (year%4==0 and year %100!=0):
print("yes")
else:
print("no")