exception

In the following code:

#include <iostream>
#include <exception>
using std::string;
using std::exception;

class STACK {
public:
  STACK(): size(0){
    str = new string[MAX];
  }
  void push(string s){
    try{
      if(size == MAX){
        throw 10;
      }
      str[size++] = s;
    }
    catch(int){
      std::cout<<"stack is full."<<std::endl;
      throw "A"; // LINE1
    }

  }
  string pop(){
    if(size == 0){
      std::cout<<"stack is empty"<<std::endl;
      return " ";
    }
    return str[--size];
  }
  bool empty(){
    return size == 0;
  }

private:
  enum { MAX = 3};
  string *str;
  int size;
};

int main(){
  string ss;
  STACK stack1;
  stack1.push("hello");
  stack1.push("you");
  stack1.push("he");
  stack1.push("it");

/* LINE2
  catch(...){
    std::cout<<"rethrow."<<std::endl;
  }
*/
}

At LINE1, I re-throw an exception. How to catch it?
I tried to use the catch block at LINE2, but it cause error: syntax
error before `catch'

Thanks.

Jack