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

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