#include <bits/stdc++.h>

using namespace std;

int main() {
    int i, j;
    int line = 0;
    scanf("%d", &line);
    for (i = 0; i < line; i++) {
        for (j = 0; j <= 2 * line - 2 - i; j++) {
            if (j < i)
                printf("  ");
            else
                printf("* ");
        }
        printf("\n");
    }

    return 0;
}