monitor s{
	condition c;
	int elem;
	void pushElement(int val){
		elem = val;
		signalc(c);
	}
	int getElement(){
		waitc(c);
		return elem;
	}
	init { elem = 0; }
}
void prod() { pushElement(10); }
void kons() { cout << getElement(); }
main(){
	cobegin { prod(); kons(); };
}