04. Workout

import java.util.Scanner;
import java.lang.Math;

public class Task4 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int nDays = Integer.parseInt(sc.nextLine());
        double kilometers = Double.parseDouble(sc.nextLine());
        double totalKilometersRun = kilometers;

        for (int i = 0; i < nDays; i++) {
            int percentMore = Integer.parseInt(sc.nextLine());
            kilometers += kilometers * percentMore / 100;
            totalKilometersRun += kilometers;
        }

        if (totalKilometersRun >= 1000) {
            System.out.printf("You've done a great job running %.0f more kilometers!", Math.ceil(totalKilometersRun - 1000));
        } else {
            System.out.printf("Sorry Mrs. Ivanova, you need to run %.0f more kilometers", Math.ceil(1000 - totalKilometersRun));
        }
    }
}