class ex36{
    public static void main(String[] a){
        Fac b ;
        b = new Fac() ;
        System.out.println(b.ComputeFac(10));
    }
}

class Fac {
    public int ComputeFac(int num){
        int num_aux ;
        num_aux = 4 ;
        return num_aux ;
    }
}