text: const resources = require("../resources");
  const day1 = require("./day1");
  
  module.exports = function(day) {
      switch (day) {
          case 1: return day1(resources.readInput(2016, 1));
          case 2:
          case 3:
          case 4:
          case 5:
          case 6:
          case 7:
          case 8:
          case 9:
          case 10:
          case 11:
          case 12:
          case 13:
          case 14:
          case 15:
          case 16:
          case 17:
          case 18:
          case 19:
          case 20:
          case 21:
          case 22:
          case 23:
          case 24:
          case 25:
              return null;
          default:
              throw new Error(`Invalid day for 2016: ${day}`);
      }
  }