#include<bits/stdc++.h>
using namespace std;
void qq(int n){
	for(int i=1;i<=n;i++){
		cout<<"*";
	}
}
int main()
{
	int i=0,m=0,n;
	cin>>n;
	for(int j=1;j<=n/2+1;j++){
		for(m=0;m<i;m++){
			cout<<" ";
		}
		i++;
		qq(n);
		cout<<endl;
	}
	for(int j=1;j<=n/2;j++){
		for(m=i-2;m>=1;m--){
			cout<<" ";
		}
		i--;
		qq(n);
		cout<<endl;
	}
	return 0;
}
/**************************************************************
	Problem: 1219
	User: houshanglin
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/