public class Solution {
    public static void main(String[] args) {
        checkSeason ( 12 );
        checkSeason ( 4 );
        checkSeason ( 7 );
        checkSeason ( 10 );
    }

    public static void checkSeason(int month) {
        //напишите тут ваш ко
        String season;
        switch (month) {
            case 12:
            case 1:
            case 2:
                season = "зима";
                break;
            case 3:
            case 4:
            case 5:
                season = "весна";
                break;
            case 6:
            case 7:
            case 8:
                season = "лето";
                break;
            case 9:
            case 10:
            case 11:
                season = "осень";
                break;
            default:
                season = "не известный";
                System.out.println ( 2 );
                System.out.println ( 5 );

        }
    }
}