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

	return 0;
}

/**************************************************************
	Problem: 1219
	User: lzk
	Language: C++
	Result: Accepted
	Time:18 ms
	Memory:2072 kb
****************************************************************/