binarysem s;
int suma=0;

void dodawanie (int ile){
	int i;
	for(i=0; i<ile; i=i+1){
		wait(s);
		suma=suma+1;
		signal(s);
	}
}

main(){
	initialsem(s, 1);
	cobegin{
		dodawanie(10); dodawanie(10);
	}
	cout << "Suma = " << suma << endl;
}