print "native function";

print clock();

fun count(n) {
    if (n > 1) count(n - 1);
    print n;
}

count(10);

fun hi(name, surname) {
    print "hello, " + name + " " + surname + "!";
}

hi("John", "Doe");


fun re(turn) {
    print "before retrun";
    return turn;
    print "should not be printed";
}

print re("print");