import java.util.*;
public class Main{
    public static void main(String args[]){
        Scanner sc=new Scanner(System.in);
        
        if(!sc.hasNextInt()){
            System.out.print("Invalid input");
            return;
        }
        int line=sc.nextInt();
        int space=line-1;
        int star=1;
        if(line<=0 || n>10){
            System.out.print("Invalid input");
            return;
        }
        else{
        for(int i=0; i<line ;i++){
            for(int j=0;j<space;j++){
                System.out.print(" ");
            }
            for(int j=0;j<star;j++){
                System.out.print("*");
            }
            System.out.println();
            space--;
            star+=2;
        }
        }
    }
}