#include <QApplication>
#include <QTextStream>
int main(int argc, char *argv[])
{
    QString result = "111";
    QTextStream out(stdout);
    out << "Qt rocks!" << endl;


    QTextStream in(stdin);
    QString line;
    do
    {
        line = in.readLine();
    }
    while (!line.isNull());

    out<<line<<endl;


}