#include <iostream>
class c {
  int a;
public:
  c() { a = 31415926; }
  int &left() { return a; }
  int right() { return a; }
};
int main() {
  c a;
  a.left() = 27182818;
  std::cout << a.right() << std::endl;
  return 0;
}
/* end */