#include<bits/stdc++.h>
using namespace std;
int main()
{
  int i,n,j,z;
  cin>>n;
  int x=n,s=0;	
  for(i=0;i<=n/2;i++)	{
  for(j=0;j<s;j++) cout<<" ";
  for(z=0;z<x;z++) cout<<"*";
  cout<<endl;
  s++;
  x-=2;
  }
  for(i=1;i<=n/2;i++){
  for(j=0;j<s-2;j++) cout<<" ";
  for(z=0;z<x+4;z++) cout<<"*"; 
  cout<<endl;
  s--;
  x+=2;
  }
	return 0;
}

/**************************************************************
	Problem: 1073
	User: wtq001
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/