class Punktmass1_klass implements Punktmass1{
    double kg, x;
    public Punktmass1_klass(double kg, double x){
        this.kg=kg; this.x=x;
    }
    public double massikeseX(){return x;}
    public double kysiKg(){return kg;}
    public String tekstina(){return x+" "+kysiKg()+" kg";}
}