#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m,i,j;
	cin>>n;
	m=n/2+1;
	for(i=1;i<=m;i++)
	{
		for(j=1;j<=m-i+1;j++)
		{
			cout<<"*";
		}
		cout<<endl;
	}
	for(i=m-1;i>=1;i--)
	{
		for(j=1;j<=m-i+1;j++)
		{
			cout<<"*";
		}
		cout<<endl;
	}
	return 0;
}
	
/**************************************************************
	Problem: 1230
	User: dengyuanyan
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/