#include <stdio.h>

int main() { int x = 0; int i = 0; int j = 0; int k = 0;

while (scanf("%d", &x) != EOF)
{
    for (i=0; i<x; i++)
    {
        for (j=0; j<x-i; j++)
        {
            if (j == x-i-1)
            {
                for (k=0; k<i+1; k++)
                    printf("* ");
                break;
            }
            printf("  ");
        }
        printf("\n");
    }
}
return 0;

}