import java.util.*;
public class Star{
    public static void main(String [] args){
        Scanner sc = new Scanner(System.in);
        if(sc.hasNextInt()){
            int n = sc.nextInt();
        }
        if(n<0){
            System.out.println("Invalid input");
            System.exit(0);
        }

        else if(n>0){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n-i;j++){
                System.out.print(" ");
            }
            for(int k=1;k<=(2*i-1);k++){
                System.out.print("*");
            }
            System.out.println();
        }
    }
    }
}