#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,n,j;
	cin>>n;
	for(i=1;i<=n-i;i++){
		cout<<" ";
	}
	for(j=1;j<=i*2-1;j++){
		cout<<"*";
	}
	cout<<endl;
	return 0;
}

/**************************************************************
	Problem: 1070
	User: miaozeyu
	Language: C++
	Result: Wrong Answer
****************************************************************/