#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<=2*i-1;j++){
            cout<<"*";
        }
        cout<<endl;
    }
} 
/**************************************************************
	Problem: 1070
	User: wngjinming
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/