#include <iostream>
using namespace std;

int main() {
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) {
        // 打印空格
        for (int j = 0; j < n - i - 1; j++) {
            cout << " ";
        }
        // 打印星号
        for (int k = 0; k < 2 * i + 1; k++) {
            cout << "*";
        }
        cout << endl;
    }
    return 0;
}    
/**************************************************************
	Problem: 1068
	User: linmiaoling
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/