Back to the past

public class BackToThePast {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double heritage = Double.parseDouble(scanner.nextLine());
        int ageToLiveIn = Integer.parseInt(scanner.nextLine());
        double moneyLeft = 0;
        int yearsCount = 18;
        for (int i = 1800; i <= ageToLiveIn ; i++) {
            if (i % 2 == 0) {
                heritage -= 12000;
            }else {
                heritage -= 12000 + (yearsCount * 50);
            }
            yearsCount++;
        }
        if (heritage >= 0) {
            System.out.printf("Yes! He will live a carefree life and will have %.2f dollars left.",heritage);
        }else {
            System.out.printf("He will need %.2f dollars to survive.",Math.abs(heritage));
        }
    }
}