import java.util.*;
public class Bara {
    public static void main (String [] args){
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter the size of the diamond: ");
        int n = sc.nextInt();
        for (int line = 1; line <= n; line++){
            String output = "";

            if ((line == 1)||(line == n)){
                for (int i = 1; i <= n / 2; i++)
                        output += " ";
                output += "*";
            }
            else {
                if (line == n/2 + 1){
                    for (int i = 1; i <= n; i++)
                    output += "*";
                }
                else {
                    String s1 = "";
                    String s2 = "";
                    int mid = n/2 + 1;
                    int x = line;
                    if (x > mid)
                        x = n+1-x;
                    for (int i = 1; i <= mid-x; i++)
                        s1 += " ";
                    for (int i = mid-x+2; i<mid; i++)
                        s2 += " ";
                    output = s1 + "*" + s2 + "*" + s2 +"*" + s1;
                }
            }
            System.out.println(output);
        }
    }
}