semaphore s2;
semaphore s;
const int N = 5;
int buffer[N];
int write_pos = 0;
int read_pos = 0;
void queue_add(int item)
{
    buffer[write_pos] = item;
    write_pos = (write_pos + 1) % N;
}
int queue_get()
{
    int item;
    item = buffer[read_pos];
    read_pos = (read_pos + 1) % N;
    return item;
}

void prod(int i, int n){
	int cnt = 1;
	for(i; i <= n; i=i+1){
		wait(s2);
		queue_add(cnt);
		cnt = cnt +1;
		signal(s);
	}
}

void kons(int n){
	int i = 0;
	int liczba;
	for(i = 0; i < n; i = i+1){
		wait(s);
		liczba = queue_get();
		signal(s2);
		cout << "Pobralem" <<liczba<< endl;
	}
}

main()
{
initialsem(s2, 5);
initialsem(s, 0);
	cobegin {
		prod(1, 25); kons(25);
	}
}