package koło2;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class zadani5 { // scalanie
	static int tab [];
	static int tab2 [];
	static int tab3 [];
	long dl;

	/*public zadani5(){
		this.dl = dl;
	}*/

	public int[] odczyt(String fileName) throws IOException{
		FileInputStream fis = new FileInputStream(fileName);
		BufferedInputStream bis = new BufferedInputStream(fis);
		DataInputStream dis = new DataInputStream(bis);
		long dl = dis.readLong();
		int [] t = new int[(int)dl];
		for(int i = 1; i < dl; i++){
			t[i] = dis.readInt();
		}
		dis.close();
		return t;
	}

	public int [] scal(int [] tab, int [] tab2){
		int [] t = new int [tab.length + tab2.length];
		for(int i = 0; i < tab.length; i++){
			t[2*i]=tab[i];
			t[2*i+1] = tab2[i];
		}
		return t;
	}

	public void zapisz(int [] t, String fileName) throws IOException{
		FileOutputStream fos = new FileOutputStream(fileName);
		BufferedOutputStream bos = new BufferedOutputStream(fos);
		DataOutputStream dos = new DataOutputStream(bos);
		dos.writeLong(t.length);
		for(int i = 0; i < t.length; i ++){
			dos.writeInt(t[i]);
		}
		dos.close();
	}

	public void wyswietl(int [] a){
		for(int i = 0; i < a.length; i++){
			System.out.println(a[i] + " ");
		}
	}

	public static void main(String [] args) throws IOException{
		zadani5 zad = new zadani5();
		int m = 50;
		int[] t1 = new int[m];
		for(int i = 0; i < t1.length; i++){
			t1[i] = i;
		}
		int[] t2 = new int[m];
		for(int j = 0; j < t2.length; j++){
			t2[j] = j;
		}
		int [] t3 = new int[t1.length + t2.length];
		System.out.println(t3.length);
		zad.zapisz(t1, "parzyste");
		zad.zapisz(t2, "nieparz");
		tab = zad.odczyt("parzyste");
		tab2 = zad.odczyt("nieparz");
		zad.wyswietl(tab);
		System.out.println();
		zad.wyswietl(tab2);
		;
		zad.zapisz(zad.scal(t1, t2), "liczby");
		tab3 = zad.odczyt("liczby");
		System.out.println("wyniki");
		zad.wyswietl(tab3);
	}
}