#include <iostream>

using namespace std;

class k
{
    int i;
public:
    k() : i(5) { cout << "Oops" << endl; }
    k(int a) : i(a) { cout << "I did" << i << endl; }
    k(const k& other) : i(other.i) { cout << "it" << i << endl; }
    ~k() { cout << "again" << endl; }
    int get() { return i; }
    void operator +=(const k&op) { i += op.i; }
};

void f(k& x, k y) {
    y += 1000;
    x += y;
}

int main() {

  k k1;
  k k2(30);
  k2 += 700;
  f(k1, k2);
  cout << k1.get() << " " << k2.get() << endl;
  return 0;
}