#include <iostream>
using namespace std;
int main (){
	int i,j,n;
	cin>>n;
	char c;
	for(i=n;i>=1;i--){
		for(j=1;j<=n-i;j++){
			cout<<" ";
		}
		
		for(j=1;j<=i+i-1;j++){
			
			cout<<"*";
		}
		cout<<endl;
	}
}
/**************************************************************
	Problem: 1070
	User: admin
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/