def is_leap(year):
    leap = False
    
    # Write your logic here
    # The year can be evenly divided by 4, is a leap year, unless:
    # The year can be evenly divided by 100, it is NOT a leap year, unless:
    # The year is also evenly divisible by 400. Then it is a leap year.
    if year < 100000 and year > 1900:
        if year % 4 == 0:
            leap = True
            if year % 100 == 0:
                leap =  False
                if year % 400 == 0:
                    leap = True

    return leap