class ex33 {
    public static void main(String[] z) {
        A a ;
        a = new A() ;
        System.out.println(a.bar(0-1, 400, 6*7)) ;
        System.out.println(a.foo(0+1, 400)) ;
    }
}

class A {

    int o ;
    int q ;

    public int foo(int a, int b) {
        o = 3 ;
        return 22 ;
    }

    public int bar(int x, int y, int z) {
        return 6 ;
    }
}