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

	

/**************************************************************
	Problem: 1219
	User: fandaohan
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/