import java.util.;
public class Main {
public static void main(String[] args) {
{
Scanner scan =new Scanner(System.in);
int N=scan.nextInt();
int row=1;
int nst=1;
int nsp=(N+1)/4;
int nst1=(N+1)/2;
int nsp1=(N+1)/4;
while(row<=N)
{
if(row>=1&&row<=N-N/2)
{
for(int cst=1;cst<=nst;cst++)
{
System.out.print("");
}
for(int csp=1;csp<=nsp;csp++)
{
System.out.print(" ");
}
for(int cst1=1;cst1<=nst1;cst1++)
{
System.out.print("*");
}
}
if(row>=(N+1)/2+(N)/(N-1)&&row<=(N+1)/2+N/3)
{
for(int csp=1;csp<=nsp;csp++)
{
System.out.print(" ");
}
for(int cst=1;cst<=nst;cst++)
{
System.out.print("*");
}
for(int csp1=1;csp1<=nsp1;csp1++)
{
System.out.print(" ");
}
for(int cst=1;cst<=nst;cst++)
{
System.out.print("*");
}
}
if(row==N)
{
for(int cst1=1;cst1<=nst1;cst1++)
{
System.out.print("*");
}
for(int csp1=1;csp1<=nsp1;csp1++)
{
System.out.print(" ");
}
for(int cst=1;cst<=nst;cst++)
{
System.out.print("*");
}
}
System.out.println();
if(row==1)
{
nst1=(N+1)/2-N/2;
}
if(row==N/2)
{
nsp=(N+1)/4-(N+1)/4;
nst1=(N+1)/2;
nst=nst+(N+1)/4;
}
if(row==(N+1)/2)
{
nsp=N/2;
nst=N/2-(N-2)/2;
}
row++;
}
}
}
}