public class Test {

    public static void main (String[] args) {
	Huffman huff = new Huffman
	    ("eeeeeeeeeeeeeeeeeeeeeeeeeeeeettttttttttnnnnnnnnniiiiissss");
	
	String s = huff.encode ("intestines");
	System.out.println (s);
	
	String u = huff.decode (s);
	System.out.println (u);
    }
}