#include <iostream>
using namespace std;

int main(){
    int n;
    cin >> n;
    int a = n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= a; j++){
            cout<<" ";
        }
        for(int j = 1; j <= i*2-1; j++){
            cout<<"*";
        }
        a--;
        cout<<"\n";
    }
}