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


return 0;
}

/**************************************************************
	Problem: 1073
	User: cx001
	Language: C++
	Result: Accepted
	Time:17 ms
	Memory:2072 kb
****************************************************************/