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

/**************************************************************
	Problem: 1073
	User: lzc
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/