task.js

const WINTER = 'Зима';
const SPRING = 'Весна';
const SUMMER = 'Лето';
const AUTUMN = 'Осень';
const NO_SUCH_MONTH = 'Нет месяца с номером';

function getYearPeriod(month) {
  switch (month) {
    case 1:
    case 2:
    case 12:
      return WINTER;
    case 3:
    case 4:
    case 5:
      return SPRING;
    case 6:
    case 7:
    case 8:
      return SUMMER;
    case 9:
    case 10:
    case 11:
      return AUTUMN;
    default:
      return `${NO_SUCH_MONTH} ${month}`;
  }
}

for (let month = 1; month <= 13; month++) {
  console.log(getYearPeriod(month))
}