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is_leap_year = False
input_year = int(input())

if input_year %4 != 0:
    print(f'{input_year} - not a leap year')
else:
    if input_year % 100 == 0:
        if input_year %400 == 0:
            print(f'{input_year} - leap year')
        else:
            print(f'{input_year} - not a leap year')
    else:
        print(f'{input _year} - leap year')