Christmas Spirit [Mimi]

package OLD_MID_EXAMs_18_12_18;

import java.util.Scanner;

public class _01_ChristmasSpirit {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int quantity = Integer.parseInt(scanner.nextLine());
        int days = Integer.parseInt(scanner.nextLine());

        int ornamentSet = 2;
        int treeSkirt = 5;
        int treeGarlands = 3;
        int treeLights = 15;

        int costs = 0;
        int spirit = 0;

        for (int i = 1; i <= days; i++) {
            if (i % 11 == 0){
                quantity += 2;
            }

            if (i % 10 == 0){
                spirit -= 20;
                costs += (treeSkirt + treeGarlands + treeLights);
                if (i == days){
                    spirit -= 30;
                }
            }

            if (i % 5 == 0){
                costs += (treeLights * quantity);
                spirit += 17;
                if (i % 3 == 0){ //допускам, че и 10-я ден влиза в това условие, но не съм сигурна
                    spirit += 30;
                }

            }

            if (i % 3 == 0){
                costs += ((treeSkirt + treeGarlands) * quantity);
                spirit += 13;
            }

            if (i % 2 == 0){
                costs += (ornamentSet * quantity);
                spirit += 5;
            }
        }

        System.out.println("Total cost: " + costs);
        System.out.println("Total spirit: " + spirit);

    }
}