#include <iostream>
using namespace std;

int main() {
    int N;
    // 读取输入的行数
    cin >> N;

    for (int i = 1; i <= N; i++) {
        // 打印每行开头的空格
        for (int j = 1; j <= N - i; j++) {
            cout << " ";
        }
        // 打印每行的星号
        for (int k = 1; k <= 2 * i - 1; k++) {
            cout << "*";
        }
        // 换行
        cout << endl;
    }

    return 0;
}    
/**************************************************************
	Problem: 1006
	User: fandaohan
	Language: C++
	Result: Wrong Answer
****************************************************************/