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

return 0;
}

/**************************************************************
	Problem: 1219
	User: cx001
	Language: C++
	Result: Accepted
	Time:18 ms
	Memory:2072 kb
****************************************************************/