#include<stdio.h>
int main()
{
    int n,line,j;
    while(scanf("%d",&n)!=EOF)
    {
        for (line = 1; line <= n; line++)
        {
            for (j = 1; j <= n; j++)
            {
                if (line == j)
                    printf("*");
                else if (line + j == n + 1)
                    printf("*");
                else printf(" ");
            }
            printf("\n");
        }
    }
    
        return 0;
}