Workout

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int days = Integer.parseInt(scanner.nextLine());
        double kilometers = Double.parseDouble(scanner.nextLine()),
                percentage, totalKilometers = kilometers;
        for (int i = 0; i < days; i++) {
            percentage = Double.parseDouble(scanner.nextLine());
            kilometers *= (100.0 + percentage) / 100;
            totalKilometers += kilometers;
        }

        if (totalKilometers < 1000) {
            System.out.println("Sorry Mrs.Ivanova, you need to run " + (1000 - (int) (totalKilometers)) + " more kilometers");
        } else {
            System.out.println("You've done a great job running " + (int) (Math.ceil(totalKilometers) - 1000) + " more kilometers!");
        }
    }
}