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


/**************************************************************
	Problem: 1070
	User: fuyijun
	Language: C++
	Result: Output Limit Exceed
****************************************************************/