#include <iostream>
using namespace std;
int main() {
    int A;
    cin >> A;
    for (int i = 1 ; i <= A ; i++) {
            for (int g = A ; i <= 0 ; g--) {
                for (int h = g - i ; h <=0 ;) {
                    cout << " " ;
        }
            for (int j = (2 * i) - 1 ; j <= (A * 2) - 1 ;) {
                cout <<"*"<<endl;
        }
    }
}
     return 0;
     }
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