#include <stdio.h>

int main() {
    int num = 0;
    while (scanf("%d", &num) != EOF) 
    { 
        for (int i = 1; i <= num; i++)
        {
            for (int x = 0; x < (2 * num - 1) / 2 - (i - 1); x++)
            {
                printf (" ");
            }

            for (int y = 0; y < i; y++)
            {
                printf ("* ");
            }

            printf ("\n");
        }
    }
    return 0;
}