C++ Print Unicode

#include <fcntl.h>
#include <io.h>
#include <iostream>
using namespace std;

int main() {
    _setmode(_fileno(stdout), _O_U16TEXT);
    wcout << L"Hello everyone\x058d!\t\x03b1\x03b2\x03b3\x03b4\x03b5\x03b6\x03b7\x03b8\x03b9\x03ba\x03bb\x03bc\x03bd\x03be\x03bf\x03c0\x03c1\x03c2\x03c3\x03c4\x03c5\x03c6\x03c7\x03c8\x03c9\0" << endl;
    _setmode(_fileno(stdout), _O_TEXT);
    cout << "Hello World!" << endl;
    return 0;
}