CleverLily

package S4_ForLoops;

import java.util.Scanner;

public class CleverLily {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int age = Integer.parseInt(scanner.nextLine());
        double washingMachinePrice = Double.parseDouble(scanner.nextLine());
        int toyPrice = Integer.parseInt(scanner.nextLine());

        int evenBirthdayMoney = 0;
        int totalSum = 0;
        int toysCount = 0;

        for (int i = 1; i <= age; i++) {
			// check for even birthday
            if(i % 2 == 0) {
                // save all of the money
                // evenBirthdayMoney = evenBirthdayMoney + 10;
                evenBirthdayMoney += 10;
                totalSum += evenBirthdayMoney;

                // brother takes money
                //totalSum = totalSum - 1;
                //totalSum--;
                totalSum -= 1;
            }
			// check for odd birthday
            else {
                toysCount++;
            }
        }

        // add toys sum
        totalSum += toysCount * toyPrice;

        double diff = Math.abs(washingMachinePrice - totalSum);
        if(totalSum >= washingMachinePrice) {
            System.out.printf("Yes! %.2f", diff);
        } else {
            System.out.printf("No! %.2f", diff);
        }
    }
}