function blackbox(){

  var w = new Array (255),q = new Array (10),o = new Array (31);
  var p=0,a=0,b=0,c=0,d=0,e=0,f=0,bf=0,bg=0,bh=0,s=0;
  var h="",r="",be="";

  t = prompt("Please enter Code:");
  if (t==null || t=="") {return}

  for (x = 1; x <= 768; x++){
    z=0;
    for (y = 1; y <= x; y++){
      if ((x % y) != 0){
        z+=1;
        if (z==x-2){
          a+=1;
          w[a]=x;
        }
      }
    }
  }

  b = Math.pow(w[4],3);
  c = b / 12;
  d = c * Math.SQRT2;
  e = d / 31.3;
  f = parseInt(e);

  o[6] = w[4] + true * -2;
  o[5] = w[8] + true * -1;
  o[4] = (((w[2] ^ x - 668)) / (f - 1)) - 1;
  o[3] = 0xF2 / 0xB;
  o[2] = w[9] - 6 - 2;
  o[1] = q.length * 2;

  if (t.length < f){
    for (j = 1; j <= (5 - t.length);j++){
      h+="x"
    }
    t+=h
  }

  for (y = 1; y<= (f - 1);y++){
    q[y] = t.substr(y-1,1);
    p = q[y].charCodeAt(0) - w[o[y]];
    r+=p;
  }

  v = r

  for (g=0;g<=r.length-1;g++){
    be = r.substr(r.length-g-1,1);
    bf = be.charCodeAt(0)-48;
    bg = Math.pow(10,g);
    bh = bh + bf*bg;
  }

  r = bh

  while ( r > 1 ){
    s += (r % 10);
    r = (r /10);
  }

  v = v * (parseInt(s) + t.length)

  if (v==1732771848){
    alert ("Your Code is correct. You may proceed.");
    window.navigate(t.concat(".shtml"));
  }
  else {
    alert ("Your Code is incorrect");
    blackbox()
  }
}

//----------------------------------------------------------------------------
// Every input is transformed into a number. 
// Find the word that matches 1732771848 and you will be directed to the right place.
//
//
// Some hints:
// 1. The code is a common word (i.e. nothing like '34htH8l' or something...)
// 2. Only low-case letters are used and no numbers are included.