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

}
/**************************************************************
	Problem: 1070
	User: houshanglin
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/