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

/**************************************************************
	Problem: 1068
	User: chenyaohuo
	Language: C++
	Result: Wrong Answer
****************************************************************/