#include
int main()
{
int n,i,j;
scanf("%d",&n);
for(i=0;i { for(j=0;j printf(" "); for(j=0;j<2*i+1;j++) printf("* "); printf("\n"); } for(i=n-2;i>=0;i--) { for(j=0;j printf(" "); for(j=0;j<2*i+1;j++) printf("* "); printf("\n"); } getch(); return 0; }