Durankulak Numbers

function solve(args) {

    BigNumber = function (n, p, r) {
        var o = this, i;
        if (n instanceof BigNumber) {
            for (i in { precision: 0, roundType: 0, _s: 0, _f: 0 }) o[i] = n[i];
            o._d = n._d.slice();
            return;
        }
        o.precision = isNaN(p = Math.abs(p)) ? BigNumber.defaultPrecision : p;
        o.roundType = isNaN(r = Math.abs(r)) ? BigNumber.defaultRoundType : r;
        o._s = (n += "").charAt(0) == "-";
        o._f = ((n = n.replace(/[^\d.]/g, "").split(".", 2))[0] = n[0].replace(/^0+/, "") || "0").length;
        for (i = (n = o._d = (n.join("") || "0").split("")).length; i; n[--i] = +n[i]);
        o.round();
    };
    with ({ $: BigNumber, o: BigNumber.prototype }) {
        $.ROUND_HALF_EVEN = ($.ROUND_HALF_DOWN = ($.ROUND_HALF_UP = ($.ROUND_FLOOR = ($.ROUND_CEIL = ($.ROUND_DOWN = ($.ROUND_UP = 0) + 1) + 1) + 1) + 1) + 1) + 1;
        $.defaultPrecision = 40;
        $.defaultRoundType = $.ROUND_HALF_UP;
        o.add = function (n) {
            if (this._s != (n = new BigNumber(n))._s)
                return n._s ^= 1, this.subtract(n);
            var o = new BigNumber(this), a = o._d, b = n._d, la = o._f,
            lb = n._f, n = Math.max(la, lb), i, r;
            la != lb && ((lb = la - lb) > 0 ? o._zeroes(b, lb, 1) : o._zeroes(a, -lb, 1));
            i = (la = a.length) == (lb = b.length) ? a.length : ((lb = la - lb) > 0 ? o._zeroes(b, lb) : o._zeroes(a, -lb)).length;
            for (r = 0; i; r = (a[--i] = a[i] + b[i] + r) / 10 >>> 0, a[i] %= 10);
            return r && ++n && a.unshift(r), o._f = n, o.round();
        };
        o.subtract = function (n) {
            if (this._s != (n = new BigNumber(n))._s)
                return n._s ^= 1, this.add(n);
            var o = new BigNumber(this), c = o.abs().compare(n.abs()) + 1, a = c ? o : n, b = c ? n : o, la = a._f, lb = b._f, d = la, i, j;
            a = a._d, b = b._d, la != lb && ((lb = la - lb) > 0 ? o._zeroes(b, lb, 1) : o._zeroes(a, -lb, 1));
            for (i = (la = a.length) == (lb = b.length) ? a.length : ((lb = la - lb) > 0 ? o._zeroes(b, lb) : o._zeroes(a, -lb)).length; i;) {
                if (a[--i] < b[i]) {
                    for (j = i; j && !a[--j]; a[j] = 9);
                    --a[j], a[i] += 10;
                }
                b[i] = a[i] - b[i];
            }
            return c || (o._s ^= 1), o._f = d, o._d = b, o.round();
        };
        o.multiply = function (n) {
            var o = new BigNumber(this), r = o._d.length >= (n = new BigNumber(n))._d.length, a = (r ? o : n)._d,
            b = (r ? n : o)._d, la = a.length, lb = b.length, x = new BigNumber, i, j, s;
            for (i = lb; i; r && s.unshift(r), x.set(x.add(new BigNumber(s.join("")))))
                for (s = (new Array(lb - --i)).join("0").split(""), r = 0, j = la; j; r += a[--j] * b[i], s.unshift(r % 10), r = (r / 10) >>> 0);
            return o._s = o._s != n._s, o._f = ((r = la + lb - o._f - n._f) >= (j = (o._d = x._d).length) ? this._zeroes(o._d, r - j + 1, 1).length : j) - r, o.round();
        };
        o.divide = function (n) {
            if ((n = new BigNumber(n)) == "0")
                throw new Error("Division by 0");
            else if (this == "0")
                return new BigNumber;
            var o = new BigNumber(this), a = o._d, b = n._d, la = a.length - o._f,
            lb = b.length - n._f, r = new BigNumber, i = 0, j, s, l, f = 1, c = 0, e = 0;
            r._s = o._s != n._s, r.precision = Math.max(o.precision, n.precision),
            r._f = +r._d.pop(), la != lb && o._zeroes(la > lb ? b : a, Math.abs(la - lb));
            n._f = b.length, b = n, b._s = false, b = b.round();
            for (n = new BigNumber; a[0] == "0"; a.shift());
            out:
                do {
                    for (l = c = 0, n == "0" && (n._d = [], n._f = 0) ; i < a.length && n.compare(b) == -1; ++i) {
                        (l = i + 1 == a.length, (!f && ++c > 1 || (e = l && n == "0" && a[i] == "0")))
                        && (r._f == r._d.length && ++r._f, r._d.push(0));
                        (a[i] == "0" && n == "0") || (n._d.push(a[i]), ++n._f);
                        if (e)
                            break out;
                        if ((l && n.compare(b) == -1 && (r._f == r._d.length && ++r._f, 1)) || (l = 0))
                            while (r._d.push(0), n._d.push(0), ++n._f, n.compare(b) == -1);
                    }
                    if (f = 0, n.compare(b) == -1 && !(l = 0))
                        while (l ? r._d.push(0) : l = 1, n._d.push(0), ++n._f, n.compare(b) == -1);
                    for (s = new BigNumber, j = 0; n.compare(y = s.add(b)) + 1 && ++j; s.set(y));
                    n.set(n.subtract(s)), !l && r._f == r._d.length && ++r._f, r._d.push(j);
                }
                while ((i < a.length || n != "0") && (r._d.length - r._f) <= r.precision);
            return r.round();
        };
        o.mod = function (n) {
            return this.subtract(this.divide(n).intPart().multiply(n));
        };
        o.pow = function (n) {
            var o = new BigNumber(this), i;
            if ((n = (new BigNumber(n)).intPart()) == 0) return o.set(1);
            for (i = Math.abs(n) ; --i; o.set(o.multiply(this)));
            return n < 0 ? o.set((new BigNumber(1)).divide(o)) : o;
        };
        o.set = function (n) {
            return this.constructor(n), this;
        };
        o.compare = function (n) {
            var a = this, la = this._f, b = new BigNumber(n), lb = b._f, r = [-1, 1], i, l;
            if (a._s != b._s)
                return a._s ? -1 : 1;
            if (la != lb)
                return r[(la > lb) ^ a._s];
            for (la = (a = a._d).length, lb = (b = b._d).length, i = -1, l = Math.min(la, lb) ; ++i < l;)
                if (a[i] != b[i])
                    return r[(a[i] > b[i]) ^ a._s];
            return la != lb ? r[(la > lb) ^ a._s] : 0;
        };
        o.negate = function () {
            var n = new BigNumber(this); return n._s ^= 1, n;
        };
        o.abs = function () {
            var n = new BigNumber(this); return n._s = 0, n;
        };
        o.intPart = function () {
            return new BigNumber((this._s ? "-" : "") + (this._d.slice(0, this._f).join("") || "0"));
        };
        o.valueOf = o.toString = function () {
            var o = this;
            return (o._s ? "-" : "") + (o._d.slice(0, o._f).join("") || "0") + (o._f != o._d.length ? "." + o._d.slice(o._f).join("") : "");
        };
        o._zeroes = function (n, l, t) {
            var s = ["push", "unshift"][t || 0];
            for (++l; --l; n[s](0));
            return n;
        };
        o.round = function () {
            if ("_rounding" in this) return this;
            var $ = BigNumber, r = this.roundType, b = this._d, d, p, n, x;
            for (this._rounding = true; this._f > 1 && !b[0]; --this._f, b.shift());
            for (d = this._f, p = this.precision + d, n = b[p]; b.length > d && !b[b.length - 1]; b.pop());
            x = (this._s ? "-" : "") + (p - d ? "0." + this._zeroes([], p - d - 1).join("") : "") + 1;
            if (b.length > p) {
                n && (r == $.DOWN ? false : r == $.UP ? true : r == $.CEIL ? !this._s
                : r == $.FLOOR ? this._s : r == $.HALF_UP ? n >= 5 : r == $.HALF_DOWN ? n > 5
                : r == $.HALF_EVEN ? n >= 5 && b[p - 1] & 1 : false) && this.add(x);
                b.splice(p, b.length - p);
            }
            return delete this._rounding, this;
        };
    }

    function isLower(c) {
        return (c.charCodeAt(0) > 96) && (c.charCodeAt(0) < 123)
    }

    var inputNumber = args[0];
    var result = new BigNumber(0);
    var pow = new BigNumber(1);
    for (var i = inputNumber.length - 1; i >= 0 ; i--, pow = pow.multiply(168)) {
        if (i === 0 || !isLower(inputNumber.charAt(i - 1))) {
            result = result.add(pow.multiply(inputNumber.charCodeAt(i) - 'A'.charCodeAt(0)));
        } else {
            result = result.add(pow.multiply((inputNumber.charCodeAt(i - 1) - 'a'.charCodeAt(0) + 1) * 26 + inputNumber.charCodeAt(i) - 'A'.charCodeAt(0)));
            i--;
        }
    }
    return result.valueOf();
}