public class vlak {
	private double prumRychlost;
	private int pocetVagonu;
	private int mistKSezeni;
	private int mistKeStani;
	public Vlak(double prR,int vagony,int KSezeni,int KeStani){
		prumRychlost = prR;
		pocetVagonu = vagony;
		mistKSezeni = KSezeni;
		mistKeStani = KeStani;
	}
	public vlak() {
		this(80.5,3,100,5);
	}
}