Аптека

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;import java.util.Map;

class MapEntry<K extends Comparable<K>,E> implements Comparable<K> {

    // Each MapEntry object is a pair consisting of a key (a Comparable
    // object) and a value (an arbitrary object).
    K key;
    E value;

    public MapEntry (K key, E val) {
        this.key = key;
        this.value = val;
    }

    public int compareTo (K that) {
    // Compare this map entry to that map entry.
        @SuppressWarnings("unchecked")
        MapEntry<K,E> other = (MapEntry<K,E>) that;
        return this.key.compareTo(other.key);
    }

    public String toString () {
        return "<" + key + "," + value + ">";
    }
}

class SLLNode<E> {
    protected E element;
    protected SLLNode<E> succ;

    public SLLNode(E elem, SLLNode<E> succ) {
        this.element = elem;
        this.succ = succ;
    }

    @Override
    public String toString() {
        return element.toString();
    }
}


class CBHT<K extends Comparable<K>, E> {

    // An object of class CBHT is a closed-bucket hash table, containing
    // entries of class MapEntry.
    private SLLNode<MapEntry<K,E>>[] buckets;

    @SuppressWarnings("unchecked")
    public CBHT(int m) {
        // Construct an empty CBHT with m buckets.
        buckets = (SLLNode<MapEntry<K,E>>[]) new SLLNode[m];
    }

    private int hash(K key) {
        // Translate key to an index of the array buckets.
    //return Math.abs(key.hashCode()) % buckets.length;
    String s = (String)key;
    char c1 = s.charAt(0);//prvata bukva od lekot
    char c2 = s.charAt(1);//vtora
    char c3 = s.charAt(2);//treta
    char ASCIIc1 = c1;//gi stavame vo ASCII za hash funkcijata
    char ASCIIc2 = c2;
    char ASCIIc3 = c3;

    return ((29*(29*(29*0 + ASCIIc1) + ASCIIc2) + ASCIIc3)%102780) % buckets.length;
    }

    public SLLNode<MapEntry<K,E>> search(K targetKey) {
        // Find which if any node of this CBHT contains an entry whose key is
        // equal
        // to targetKey. Return a link to that node (or null if there is none).
        int b = hash(targetKey);
        for (SLLNode<MapEntry<K,E>> curr = buckets[b]; curr != null; curr = curr.succ) {
            if (targetKey.equals(((MapEntry<K, E>) curr.element).key))
                return curr;
        }
        return null;
    }

    public void insert(K key, E val) {      // Insert the entry <key, val> into this CBHT.
        MapEntry<K, E> newEntry = new MapEntry<K, E>(key, val);
        int b = hash(key);
        for (SLLNode<MapEntry<K,E>> curr = buckets[b]; curr != null; curr = curr.succ) {
            if (key.equals(((MapEntry<K, E>) curr.element).key)) {
                // Make newEntry replace the existing entry ...
                curr.element = newEntry;
                return;
            }
        }
        // Insert newEntry at the front of the 1WLL in bucket b ...
        buckets[b] = new SLLNode<MapEntry<K,E>>(newEntry, buckets[b]);
    }

    public void delete(K key) {
        // Delete the entry (if any) whose key is equal to key from this CBHT.
        int b = hash(key);
        for (SLLNode<MapEntry<K,E>> pred = null, curr = buckets[b]; curr != null; pred = curr, curr = curr.succ) {
            if (key.equals(((MapEntry<K,E>) curr.element).key)) {
                if (pred == null)
                    buckets[b] = curr.succ;
                else
                    pred.succ = curr.succ;
                return;
            }
        }
    }

    public String toString() {
        String temp = "";
        for (int i = 0; i < buckets.length; i++) {
            temp += i + ":";
            for (SLLNode<MapEntry<K,E>> curr = buckets[i]; curr != null; curr = curr.succ) {
                temp += curr.element.toString() + " ";
            }
            temp += "\n";
        }
        return temp;
    }

}

class Lek{
    String ime;
    int lista;
    int cena;
    int parcinja;

    public Lek(String ime, int lista, int cena, int parcinja)
    {
        this.ime = ime;
        this.lista = lista;
        this.cena = cena;
        this.parcinja = parcinja;
    }
}

public class Apteka {

    public static void main(String[] args) throws NumberFormatException, IOException
    {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(br.readLine());
        CBHT<String,Lek> table = new CBHT<String,Lek>(N);
        for(int i = 0 ; i < N ; i++)//gi vnesvime site lekoj
        {
            String tmp = br.readLine();
            String[]del = tmp.split(" ");
            String imeLek = del[0].toUpperCase();
            int lista = Integer.parseInt(del[1]);
            int cena = Integer.parseInt(del[2]);
            int parcinja = Integer.parseInt(del[3]);

            Lek lek = new Lek(imeLek,lista,cena,parcinja);//nov objekt za da go stajme vo hash
            table.insert(imeLek,lek);//imelek->key,lek->value
        }
        System.out.println("");
        String red = br.readLine();//go vnesvime lekot so go sakame

        while(!red.equals("KRAJ"))
        {
            int kolicina = Integer.parseInt(br.readLine());
            SLLNode<MapEntry<String,Lek>> node = table.search(red.toUpperCase());
            if(node==null){
                System.out.println("Nema takov lek");
            red = br.readLine();
            continue;
            }

            int zaliha = node.element.value.parcinja;
            if(kolicina > zaliha)
            System.out.println("Nema dovolno lekovi");
            else{
                System.out.println(node.element.value.ime);
                if(node.element.value.lista== 1)
                    System.out.println("POZ");//pozitivna ili negativna lista
                else
                    System.out.println("NEG");
            }
            System.out.println(node.element.value.cena);
            System.out.println(node.element.value.parcinja);

            int noviParcinja = zaliha - kolicina;//update na zalihata poradi poracanite parcinja
            node.element.value.parcinja = noviParcinja;
            System.out.println("Napravena naracka");
        }
        red = br.readLine();
    }


}