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



/**************************************************************
	Problem: 1230
	User: 21A
	Language: C++
	Result: Accepted
	Time:15 ms
	Memory:2072 kb
****************************************************************/