function check_password(password, stack, i, value, levelsdone) {
    //var stack = "qwertyuiopasdfghjklzxcvbnm".split("");
    var tmp = {
        "t": 9, "h": 6, "e": 5,
        "f": 1, "l": 2, "a": 3, "g": 4,
        "i": 7, "s": 8,
        "j": 10, "u": 11, "m": 12, "p": 13,
        "b": 14, "r": 15, "o": 16, "w": 17, "n": 18,
        "c": 19, "d": 20, "j": 21, "k": 22, "q": 23,
        "v": 24, "x": 25, "z": 26
    };

    var level = 0;
    //var i = 2;

    var a = value;
    var b = value;
    var c = value;
    var d = value;
    var e = value;
    var f = value;
    var g = value;
    var h = value;
    var ii = value;
    var j = value;
    var kk = value;
    var l = value;

    var a1 = Number.prototype.valueOf;
    var a2 = Number.prototype.toString;
    var a3 = Array.prototype.valueOf;
    var a4 = Array.prototype.toString;
    var a5 = Object.prototype.valueOf;
    var a6 = Object.prototype.toString;

    function f1() { return stack[i++ % stack.length].charCodeAt(0); }
    function f2() { i += 3; return stack.pop(); }
    function f3() {
        for (k in this) {
            if (this.hasOwnProperty(k)) {
                i += stack.indexOf(this[k][0]);
                stack.push(this[k]);
            }
        }
        return String.fromCharCode(new Number(stack[i % stack.length].charCodeAt(0)));
    }

    Number.prototype.valueOf = Number.prototype.toString = f1;
    Array.prototype.valueOf = Array.prototype.toString = f2;
    Object.prototype.valueOf = Object.prototype.toString = f3;

    //if (!levelsdone.startsWith("0"))
    {
    a = (tmp[[]] * tmp[[]] * 1337 + tmp["" + { "wtf": password[1] }]) / (tmp["" + { "wtf": password[0] }] - tmp[[]]);
    b = (tmp[[]] * tmp[[]] * 7331 + tmp["" + { "lol": "o" }]) / (tmp["" + { "wtf": password[1] }] - tmp[[]]);
    }
    if (a === b) {
        c = (tmp[[]] * tmp[[]] * 1111 + tmp["" + { "wtf": password[3] }]) / (tmp["" + { "lol": password[2] }] - tmp[[]]);
        if (b === c) {
             d = (tmp[[]] * tmp[[]] * 3333 + tmp["" + { "wtf": "g" }]) / (tmp["" + { "wtf": password[3] }] - tmp[[]]);
            if (c === d) {
                 e = (tmp[[]] * tmp[[]] * 7777 + tmp["" + { "wtf": "a" }]) / (tmp["" + { "wtf": password[7] }] - tmp[[]]);
                if (d === e) {
                     f = (tmp[[]] * tmp[[]] * 2222 + tmp["" + { "wtf": password[7] }]) / (tmp["" + { "lol": password[5] }] - tmp[[]]);
                    if (e === f) {
                         g = (tmp[[]] * tmp[[]] * 6666 + tmp["" + { "lol": password[4] }]) / (tmp["" + { "wtf": password[6] }] - tmp[[]]);
                        if (f === g) {
                             h = (tmp[[]] * tmp[[]] * 1234 + tmp["" + { "wtf": "a" }]) / (tmp["" + { "wtf": password[4] }] - tmp[[]]);
                            if (g === h) {
                                 ii = (tmp[[]] * tmp[[]] * 2345 + tmp["" + { "wtf": "h" }]) / (tmp["" + { "wtf": password[9] }] - tmp[[]]);
                                if (h === ii) {
                                     j = (tmp[[]] * tmp[[]] * 3456 + tmp["" + { "wtf": password[9] }]) / (tmp["" + { "lol": password[8] }] - tmp[[]]);
                                    if (ii === jj) {
                                         kk = (tmp[[]] * tmp[[]] * 4567 + tmp["" + { "lol": password[11] }]) / (tmp["" + { "wtf": password[10] }] - tmp[[]]);
                                        if (jj === kk) {
                                             l = (tmp[[]] * tmp[[]] * 9999 + tmp["" + { "wtf": "o" }]) / (tmp["" + { "wtf": password[11] }] - tmp[[]]);
                                            level = 10;
                                        }
                                        level = 9;
                                    }
                                    level = 8;
                                }
                                level = 7;
                            }
                            level = 6;
                        }
                        level = 5;
                    }
                    level = 4;
                }
                level = 3;
            }
            level = 2;
        }
        level = 1;
    }

    Number.prototype.valueOf = a1;
    Number.prototype.toString = a2;
    Array.prototype.valueOf = a3;
    Array.prototype.toString = a4;
    Object.prototype.valueOf = a5;
    Object.prototype.toString = a6;

    var m = a === b && b === c && c === d && d === e && e === f && f === g && g === h && h === ii && ii === j && j === kk && kk === l;
    var n = password[0] != password[1] && password[2] != password[3] && password[4] != password[5] && password[6] != password[7] && password[8] != password[9] && password[10] != password[11]

    if (m && n)
        level = 11;

    return [level, stack, i, a];
}


function brute_password() {

    // 48 - 57; 65 - 90; 97 - 122
    // 32 - 126

    var first = 0;
    var last = 128;

    var password = [first, first, first, first, first, first, first, first, first, first, first, first];

    for (password[0] = first; password[0] <= last; ++password[0]) {
        for (password[1] = first; password[1] <= last; ++password[1]) {
            // a -> 1, 0
            // b -> 1

            var str = String.fromCharCode.apply(null, password);

            var stack = "qwertyuiopasdfghjklzxcvbnm".split("");
            var i = 2;
            var value = 0;
            var levelsdone = "";
            var result = check_password(str, stack, i, value, levelsdone);
            if (result[0] > 0) {
                document.writeln("SUCCESS LEVEL 1 (" + result[0] + "): " + str + "<br/>");

                for (password[3] = first; password[3] <= last; ++password[3]) {
                    for (password[2] = first; password[2] <= last; ++password[2]) {
                        // c -> 3, 2

                        var str = String.fromCharCode.apply(null, password);

                        //var stack = result[1];
                        //var i = result[2];
                        //var value = result[3];
                        //var levelsdone = "0";

                        //var stack = "qwertyuiopasdfghjklzxcvbnm".split("");
                        //var i = 2;
                        //var value = 0;
                        //var levelsdone = "";

                        stack = "qwertyuiopasdfghjklzxcvbnm".split("");
                        i = 2;
                        value = 0;
                        levelsdone = "";
                        result2 = check_password(str, stack, i, value, levelsdone);
                        //document.writeln("LEVEL 2 (" + result2[0] + "): " + str + "<br/>");
                        if (result2[0] > 1) {
                            document.writeln("SUCCESS LEVEL 2 (" + result2[0] + "): " + str + "<br/>");
                        }

                    }
                }
                document.writeln("FINISHED LEVEL 2<br/>");
            }
        }
    }
    document.writeln("FINISHED LEVEL 1<br/>");


    // d -> 3

    // e -> 7

    // f -> 7, 5

    // g -> 4, 6

    // h -> 4

    // ii -> 9

    // j -> 9, 8

    // kk -> 11, 10

    // l -> 11

    document.writeln("FIN!<br/>");

}