#include
#include

int main(void)
{
        int i, j;
        int a = 7;
      
       for(i=0; i        {
                for(j=0; j                {
                        if(j >= abs((a/2) - i) && j < a - abs((a/2) -i))
                               printf("*");
                        else
                               printf(" ");
                }
                printf("\n");
        }

        printf("\n");

  return 0;
}