#include<iostream>
using namespace std;
int main(){
        int n;
        int e = 0;
        cin>>n;
for(int i = 1; i <= n; i++){
        for(int j = n; j >= i; j--){
        cout<<" ";
        }
        for(int b = 0; b <= e; b++){
                cout<<"*";
        }
        cout<<endl;
        e =e + 2;
}



        return 0;
}