#ifndef STACK_H
#define STACK_H

struct StackNode {
	char data;
	StackNode *next ;
};

typedef StackNode* StackNodePtr;

class Stack {
	private:
		StackNodePtr top ;
	public:
		Stack() ;
		~Stack() ;
		void push(char the_symbol);
		char pop() ;
		bool empty() ;
};
#endif