#include
int main()
{
int n, j, i,a[100],k=0,z=0,l=1;
while (scanf("%d", &n)!=EOF)
{
if (n != 0)
{
a[k] = n; k++;
}
else
{
break;
}
}
for (z = 0; z <= k; z++)
{
for (i = 1; i <= a[z] / 2 + 1; i++)
{
for (j = 1; j <= a[z] / 2 + i; j++)
{
if (j >= a[z] / 2 - i + 2)
printf("*");
else
printf(" ");
}
printf("\n");
}
for (i = a[z] / 2; i >= 1; i--)
{
for (j = 1; j <= a[z] / 2 + i; j++)
if (j >= a[z] / 2 - i + 2)
printf("*");
else
printf(" ");
printf("\n");
}
}
return 0;
}