ex03

#include <unistd.h>

int ft_putchar(char c)
{
   write(1, &c, 1);
   return 0;
}

int main()
{
    int a;
    a = -3;
    if (a >= 0) {
        ft_putchar('P');
    } else
    {
        ft_putchar('N');
    }
}