04. Beehive Population

import java.util.Scanner;

public class BeehivePopulation_04 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int startPopulation = Integer.parseInt(scanner.nextLine());
        int years = Integer.parseInt(scanner.nextLine());

        for (int year = 1; year <= years; year++) {
            startPopulation += startPopulation / 10 * 2;
            if (year % 5 == 0) {
                startPopulation -= startPopulation / 50 * 5;
            }
            startPopulation -= startPopulation / 20 * 2;
        }

        System.out.printf("Beehive population: %d", startPopulation);
    }
}