#include <iostream>

int main()
{
    int count = 0 ;
    std::cout << "postfix\n";
    std::cout << count++ << '\n';    // postfix increment
    std::cout << count << '\n';

    count = 0 ;
    std::cout << "prefix\n";
    std::cout << ++count << '\n';     // prefix inrement
    std::cout << count << '\n';
}