#include <iostream>
#include <limits>

int main () 
{
    int x = 2;
    std::cout << "x: " <<   x++ << std::endl;
    std::cout << "x: " <<   x   << std::endl;
    std::cout << "x: " << ++x   << std::endl;

    std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
}