function pyxis (event) {
  function caelum(x)      { return 2*x; }
  function grus(x)        { return 4*x; }
  function delphinus(x)   { return 8*x; }
  function norma(x)       { return 5*x; }
  function canis(x)       { return 7*x; }
  function virgo(x)       { return 3*x; }
  function pavo(x)        { return 9*x; }
  function volans(x)      { return 6*x; }

  var apus=42, leo=1+delphinus(6+7),
    eridanus=grus(caelum(caelum(9))),
    circinus=grus(caelum(caelum(4+8))),
    columba=3+pavo(8), tucana=8+pavo(3),
    dorado=1+caelum(3+grus(virgo(9))),
    corvus=volans(1+virgo(1+caelum(6))),
    pisces=2+virgo(2+volans(5+7));

  var ursa=eridanus*circinus+leo*pisces+corvus*dorado+tucana*columba+0;

  return ursa;
}

var arr = document.getElementsByTagName('form');
for(var i = 0; i < arr.length; i++) {
  var input = document.createElement('input');
  input.id = "cygnus";
  input.type = "hidden";
  input.name = "pyxis";
  input.value = pyxis();
  arr[i].appendChild(input);
}