import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner keyboard = new Scanner(System.in);
        System.out.println("x");
        System.out.println("------");


        for ( double x = -10 ; x <= 10 ; x = x+0.5 )
        {
            System.out.println( x  );
        }





    }
}