4.4 Завръщане в миналото

package kursova_rabota;

import java.util.Scanner;

public class chetiri_chetiri {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double heritage = Double.parseDouble(sc.nextLine());
        int yearsToLive = Integer.parseInt(sc.nextLine());
        int years = 18;

        for (int i = 1800; i <= yearsToLive; i++) {
            if (i % 2 == 0) {
                heritage -= 12000;

            } else {
                heritage -= (12000 + (50 * years));
            }

            years += 1;
        }

        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));
        }
    }

}