#!/usr/bin/python3
def disekto(year):
	if ((year%4==0 and year%100!=0) or year%400==0):
		print(year, " einai disekto")
	else:
		print(year, " den einai disekto")

def main():
	y=int(input("etos: "))
	disekto(y)



if __name__=="__main__":
	main()