Workout

package e_FirstLoops;

import java.util.Scanner;

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

        int trainingDays = Integer.parseInt(console.nextLine());
        double firstDayKm = Double.parseDouble(console.nextLine());

        double sum = firstDayKm;

        for (int i = 0; i < trainingDays; i++) {
            int percentageRanForADay = Integer.parseInt(console.nextLine());

            firstDayKm*= 1 + percentageRanForADay / 100.0;
            sum += firstDayKm;

        }
        if(sum >= 1000){
            System.out.printf("You've done a great job running %.0f more kilometers!", Math.abs(Math.ceil(sum - 1000.00)));
        } else {
            System.out.printf("Sorry Mrs. Ivanova, you need to run %.0f more kilometers", Math.abs(Math.floor(sum - 1000.00)));
        }
    }
}