#include <iostream>

using namespace std;

class A {
private:
  int value;

public:
  A(int n) {
    value = n;
  }

  A(A &other) {
    value = other.value;
  }

  void print() {
    cout << value << endl;
  }
};

int main(int argc, char **argv) {
  A a = 10;
  A b = a;

  b.print();

  return 0;
}