def main():
Day0.run()
Day1.run()
Day2.run()
Day3.run()
Day4.run()
Day5.run()
Day6.run()
Day7.run()
Day8.run()
Day9.run()
Day10.run()
Day11.run()
Day12.run()
Day13.run()
Day14.run()
Day15.run()
Day16.run()
Day17.run()
Day18.run()
Day19.run()
