Exercise : if/else mystery

Consider the following Java code.

public static void mystery2(int a, int b) {
    if (a < b) {
        a = a * 2;
    }
    if (a > b) {
        a = a - 10;
    } else {
        b++;
    }
    System.out.println(a + " " + b);
}

Fill in the boxes with the output produced by each of the method calls.
mystery2(10, 3);
0 3
mystery2(6, 6);
6 7
mystery2(3, 4);
-4 4
mystery2(4, 20);
8 21