digraph g {
	subgraph a {
		E [label = "Enter", shape = box];
		e [label = "Exit", shape = box];
		c [label = <x_in = 2<br/>y_in = 3<br/>multiply(2, 3)>];
		E -> c -> e;
	}

	subgraph b {
		Entry [shape=box, label = <Enter<br/>x = x_in<br/>y = y_in>];
		Exit [shape=box];
		Entry -> "int result = 0" -> "while (x > 0)" -> "result += y" -> "x--" -> "while (x > 0)" -> "System.out.println(result)" -> "return result" -> Exit;
		{ rank = same; "while (x > 0)"; "System.out.println(result)"}
	}
}