public class Untitled1
{
public static void main(String args[])
{
int line = Integer.parseInt(args[0]);
int n = -line;
do {
show(Math.abs(n),' ');
show((line-Math.abs(n))*2+1,'*');
System.out.println();
n++;
}while (n<=line);
}
public static void show(int i,char c)
{
for (int n = 0;n<i;n++)
{
System.out.print(c);
}
}
}