import java.util.*;
public class Shramba {
	static Map<Class<?>, Integer> hranjenja = new HashMap<Class<?>, Integer>();
	public static Map<Preganjanje, Integer> preganjanja = new HashMap<Preganjanje, Integer>();
	public void seHrani () {
		for (Class<?> r = this.getClass(); r.getSuperclass() != null; r = r.getSuperclass())
			hranjenja.put(r, hranjenja.getOrDefault(r, 0)+1);
	}
	public int steviloHranjenj () {
		return hranjenja.getOrDefault(this.getClass(), 0);
	}
	public void preganja (Zival z) {
		for (Class<?> s = this.getClass(); s.getSuperclass() != null; s = s.getSuperclass())
			for (Class<?> t = z.getClass(); t.getSuperclass() != null; t = t.getSuperclass()) {
				Preganjanje p = new Preganjanje(s, t);
				preganjanja.put(p, preganjanja.getOrDefault(p, 0)+1);
			}
	}
	public int steviloPreganjanj (Zival z) {
		return preganjanja.getOrDefault(new Preganjanje(this.getClass(), z.getClass()), 0);
	}
}