public class AlsoRandom {
    public static int next() {
        return -42;
    }

    public static int foo() {
        return 1;
    }
}

public class Random {
    public static int next() {
        return 42;
    }

    public static int foo() {
        return 0;
    }
}


public class RandomUsage {
    public static int usage() {
        int value = Random.next();
        int a = Random.foo();
        int b = AlsoRandom.foo();
        if (value > 50) {
            return a + b;
        }

        return AlsoRandom.next() - value;
    }
}