Please help, what am I doing wrong?

Question

year = int(input())
#your code goes here

if year % 4 == 0:
if year % 100 == 0:
if year % 400 == 0:
print("Leap year")
else:
print("Not a leap year")
else:
print("Not a leap year")

else:
print("Not a leap year")

Answer 1

if (year % 4) == 0:
if (year % 100) == 0:
if (year % 400) == 0:
print("{0} is a leap year".format(year))
else:
print("{0} is not a leap year".format(year))
else:
print("{0} is a leap year".format(year))
else:
print("{0} is not a leap year".format(year))

Answer 2

Thank you, you were right.