/*
SveveStoevPrUke
-------------------------------
enUke[7]: int
-------------------------------
finnVerdi(dag: int)
finnAntOverGrense(grense: int)
gyldigIndeks(indeks: int)

*/
import static javax.swing.JOptionPane.*;

//B
class SveveStoevPrUke {
	private int[] enUke;

	SveveStoevPrUke(int[] enUke) {
		this.enUke = new int[enUke.length];

		for(int i=0;i<enUke.length;i++) { this.enUke[i] = enUke[i]; }
	}
	SveveStoevPrUke(){}

//C
	public int finnVerdi(int dag) {
		//0:mandag - 6-søndag
		if (gyldigIndeks(dag)) return enUke[dag];
		else return -1;
	}

	public boolean gyldigIndeks(int indeks) {
		if ( (indeks >= 0) && (indeks < enUke.length) ) {
			return true;
		}
		else { return false; }
	}

//D
	public int AntOverGrense(int grense) {
		int counter = 0;
		for (int i = 0; i<enUke.length; i++) {
			if (enUke[i] > grense) counter++;
		}

		return counter;
	}
}

//E

class SvevestoevPrAr {
	private SveveStoevPrUke[] uker;
	private int antallUker;

	SvevestoevPrAr(int maksUker) {
		uker = new SveveStoevPrUke[maksUker];
		antallUker = 0; //ant registrerte uker
	}
	SvevestoevPrAr(){}
//F
	public void regNyUke(int[] nyUke) {
		uker[antallUker] = new SveveStoevPrUke(nyUke);
		antallUker++;
	}
//G
	public int AntUkerOverGrense(int grense) {
		int counter = 0;
		for (int i=0; i < antallUker; i++) {
			if (uker[i].AntOverGrense(grense) > 0) counter++;
		}
		return counter;
	}
}

//H
class klient {

	public static void main(String[] args) {
		int antUker = Integer.parseInt(showInputDialog("hvor mange uker?"));
		SvevestoevPrAr aar = new SvevestoevPrAr(antUker);

		//input
		for (int uke=0; uke < antUker; uke++) {
			int[] enUke = new int[7];
			for (int dag=0; dag<enUke.length; dag++) {
				enUke[dag] = Integer.parseInt(showInputDialog("skriv rådata for dag " + dag + " av uke " + uke));
			}
			aar.regNyUke(enUke);
		}

		//hent ant uker over grense=3
		int grense = 3;
		int ukerOverGrense = aar.AntUkerOverGrense(grense);
		showMessageDialog(null,ukerOverGrense);
	}
}