#include <iostream>
#include <vector>
#include <string>
#include <chrono>
#include <map>

struct Person {
    std::string name;
    std::string surname;
    int age;
};

std::vector<Person> GetMoscowPopulation();

void PrintPopulationSize(std::vector<Person> p) {
    std::cout << "There are " << p.size() << " people in Moscow" << std::endl;
}

int main()
{

    std::vector<Person> people = GetMoscowPopulation();
    PrintPopulationSize(people);

    return 0;
}