class TreeNode {
private:
 string character;
 int count;
 TreeNode* left = NULL;
 TreeNode* right = NULL;
public:
 TreeNode(string character) {
  this->character = character;
  count = 1;
 };
 TreeNode(char character) {
  this->character = character;
  count = 1;
 }
 ~TreeNode() {
  character = "";
  count = 0;
  left = right = NULL;
 }

 void increaseCount() {
  count++;
 }
 int getCount() {
  return count;
 }
 void setCount(int newCount) {
  this->count = newCount;
 }
 string getChar() {
  return this->character;
 }
 void setChar(string newChar) {
  this->character = newChar;
 }
 TreeNode* getLeft() {
  return this->left;
 }
 void setLeft(TreeNode* newLeft) {
  this->left = newLeft;
 }
 TreeNode* getRight() {
  return this->right;
 }
 void setRight(TreeNode* newRight) {
  this->right = newRight;
 }
};