#include <iostream>
using namespace std;
  
int main() {
    int n;
    cin >> n;
  
    // 打印上半部分（包括中间行）
    for (int i = 0; i <= n / 2; i++) {
        for (int j = 0; j < i; j++) {
            cout << " ";
        }
        for (int k = 0; k < n; k++) {
            cout << "*";
        }
        cout << endl;
    }
  
    // 打印下半部分
    for (int i = n / 2 - 1; i >= 0; i--) {
        for (int j = 0; j < i; j++) {
            cout << " ";
        }
        for (int k = 0; k < n; k++) {
            cout << "*";
        }
        cout << endl;
    }
  
    return 0;
}
/**************************************************************
	Problem: 1219
	User: linzihang
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/