public class u5a4 {

	public static void main(String[] args) {
		// Übung 5 Aufgabe 4
		int a = 2, b = 12;
		System.out.println("a=" + a + ", b=" + b);
		a--;
		System.out.println("a=" + a);
		a = 2; b = 12;
		--a;
		System.out.println("a=" + a);
		a = 2; b = 12;
		int e = a-- - ++b;
		System.out.println("a=" + a + ", " +
		           "b=" + b + ", " +
		           "e=" + e);
		a = 2; b = 12;
		b = ++b + --a;
		System.out.println("a=" + a + ", b=" + b);
		a = 2; b = 12;
		b = b++ + --a;
		System.out.println("a=" + a + ", b=" + b);
	}

}