#test if a year is a leap year.             
# returns True if arg is a leap year, 
#returns False if arg is not leap year
#convention to name boolean functions is_...

def is_leapyear (year):
    # evenly divisible by 4 but not by 100 unless also by 400
    if year%4==0 and year%100!=0  or  year%400==0:  
        return True
    else:
        return False



year = int(input("Enter a year: "))   # different variable than function's parameter
if is_leapyear(year):
    print("Olympics and presidential election year")
else:
    print("No Feb 29 this year")