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

	return 0;
}

/**************************************************************
	Problem: 1070
	User: chenxuanyi
	Language: C++
	Result: Accepted
	Time:45 ms
	Memory:2072 kb
****************************************************************/