#include <stdio.h>
#include <unistd.h>

void my_putchar(char c)
{
    write(1, &c, 1);
}

void rush(int x, int y)
{
   int i;
   int j;
 
   for (i = 0; i < y; i++) {
       for (j = 0; j < x; j++) {
           if (i == 0 || i == y - 1)
           my_putchar(j == 0 || j == x - 1 ? 'o' : '-');
           else if (j == 0 || j == x - 1)
           my_putchar('|');
           else
           my_putchar(' ');
       }
       my_putchar('\n');
   }
}

int main()
{
    rush(1, 1);
    return (0);
}