#include <iostream>
using namespace std;
int main() {
int n;
cin >> n;
for (int i = 0; i < n; i++) {
int stars = 1 + 2 * i;
int spaces = n - i - 1;
cout << string(spaces, ' ') << string(stars, '*') << endl;
}
for (int i = 0; i < 2; i++) {
cout << string(n - 1, ' ') << "*" << endl;
}
return 0;
}
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