#include <iostream>
#include <cstring>
using namespace std;

int main(){
	int i,j,n,t;
	cin>>n;
	t = n / 2 + 1;
	for(i = 1;i <= t;i++){
		for(j = 1;j <= i - 1;j++){
			cout<<" ";
		}
		
		for(j = 1;j <= n;j++){
			cout<<"*";
		}
		
		cout<<endl;
	}
	
	for(i = t - 1;i >= 1;i--){
		for(j = 1;j <= i - 1;j++){
			cout<<" ";
		}
		
		for(j = 1;j <= n;j++){
			cout<<"*";
		}
		
		cout<<endl;
	}
}
/**************************************************************
	Problem: 1219
	User: admin
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/