import java.util.Scanner;
import java.util.concurrent.TimeUnit;

public class Main {
    public static void main(String[] args) throws InterruptedException {
        for (int i = 1; i<=5;) {
            System.out.println(i);
            i++;
        }
        int a = 0;
        while (a <= 5) {
            System.out.println(a);
            a++;
        }
        String[] liste = {"A","B","bu for ne la böyle pythonda sadece bu amaçla kullanıyordum"};
        for (String hebele : liste) {
            System.out.println(hebele);
        }
        /*
        Scanner scanner = new Scanner(System.in);
        int e = 1;
        for (int f = scanner.nextInt(); f > 0;) {
            e = e * f;
            f = f - 1;
        }
        System.out.println(e);
        */
        //System.out.println(f);
        int g = 0;
        do {
            g ++;
            System.out.println(g);
        } while (g < 10);
        int deger = 0;
        int sayi = 1337;
        while (sayi > 0) {
            deger += sayi % 10;
            sayi = sayi / 10;
        }
        System.out.println(deger);
        while (true) {
            break;
        }
        //TimeUnit.SECONDS.sleep(3);
        //Runtime.getRuntime().wait(3000);
        System.out.println(System.getProperty("os.name"));
        System.out.println(System.getenv().get("WAYLAND_DISPLAY"));
        String m = "b";
        String j = null;
    }
}