from local import is_leap_year

def weekday_newyear(year):
  daySum = sum([366 if is_leap_year(year) else 365 for year in range(year)])
  return (daySum - 2) % 7

if __name__ == "__main__":
  days = ['man', 'tir', 'ons', 'tor', 'fre', 'lor', 'son']
  _ = [ print(f'{year} {days[weekday_newyear(year)]}') for year in range(1900, 1920) ]