#include <iostream>

using namespace std;

int main()
{
    int a=0;
    int b=0;
    int c;
    cin >>c;
    while (a<=c)
    {
        while (b<=c-a){
        cout << " ";
        b++;
        }
    while (b<a+c)
    {
    cout <<"*";
    b++;

cout <<endl;
a++;
b=0;
}
while (b<c){
cout << " ";
b++;
}
cout << "*";
}