#include <iostream>
#include <vector>
class Test
{
  public:
    void kek()
    {
      n++;
    };
    void kok()
    {
      std::cout << n << '\n';
    };
  private:
    int n = 0;
};

int main()
{
  std::vector<Test> test;
  for (int i = 0; i < 5; i++) {
    test.push_back(Test());
  }
  for (auto it = test.begin(); it != test.end(); it++) {
    it->kek();
  }
  for (auto it = test.begin(); it != test.end(); it++) {
    it->kok();
  }
  //int g;
  //std::cin >> g;
  return 0;
}