/*
   class Node
      public  int frequency; // the frequency of this tree
       public  char data;
       public  Node left, right;

*/

void decode(String S ,Node root){
    Node temp = root;
    for( int i = 0; i < S.length(); i++)
    {
        if(temp.data != '\0')
        {
            System.out.println(temp.data);
            temp = root;
        }
        else
        {
            switch(S.charAt(i))
            {
                case '0':
                    System.out.println("moving left");
                    temp = temp.left;
                    break;
                case '1':
                    System.out.println("moving right");
                    temp = temp.right;
                    break;
                default:
                    break;
            }
        }
    }
}

//void decodeHelper(Node)