#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j;
	cin>>n;
	for(i=n;i>0;i=i-1){
		for(j=1;j<=n-i;j++){
			cout<<" ";
		}	for(j=1;j<=i*2-1;j++){
				cout<<"*"; 
	}				cout<<endl;
}
	return 0;
}
/**************************************************************
	Problem: 1070
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/