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()