def hello(x:Int) =
    new Array[Int](x + getchar());
val arr = hello(5);
arr(0) = toInt('H'); arr(1) = toInt('e'); arr(2) = toInt('l'); arr(3) = toInt('l'); arr(4) = toInt('o');
putchar(arr(3));putchar(arr(4));putchar(arr(2));arr(0)