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

/**************************************************************
	Problem: 1247
	User: zzz
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/