#include <iostream>

using namespace std;

int main()
{
    // console output
    std::cout << "Hello, World!" << std::endl;
    std::cout << 1234 << std::endl;
    std::cout << "Another test!\n";

    cout << "It is also working without std::" << endl;

    int number = 10;
    cout << "number: " << number << endl;

    // cout << L"This is a wide character string, but it is not supported by cout." << endl;

    // console input
    cin >> number;
    cout << "number: " << number << endl;

    char c;
    cin >> c;
    cout << "c: " << c << endl;

    cin >> c >> number;
    cout << "c: " << c << endl;
    cout << "number: " << number << endl;

    // boolean
    bool b = 1; // 0 -> false, anything else -> true
    cout << "b: " << b << endl;

    if (number != 0)
    {
        // true
    }
    else
    {
        // false
    }

    // zero-terminated string
    const char str[] = "Hello";

    return 0;
}