var output = "uruHuGiruHuDuyeGuDuHuieoeeyrituwieitequouyieuyeeep";
    var hidden = "uuuDuwuieryruHieieiptuuHieteuyupuGuitwuGuGuHipupuGui";

    var mapping = {
        q:"0", w:"1", e:"2", r:"3", t:"4", y:"5",
    u:"6", i:"7", o:"8", p:"9",
    A:"a", S:"b", D:"c", F:"d", G:"e", H:"f"
};

    function remapToHex(str) {
  var hex = "";
    for (var j = 0; j < str.length; j++) {
    var ch = str[j];
    if (mapping.hasOwnProperty(ch)) hex += mapping[ch]; // skip junk if any
  }
    return hex;
}

    // Convert hex → string
    function hex2str(hex) {
  var out = "";
    for (var i = 0; i < hex.length; i += 2) {
        out += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
  }
    return out;
}

    // Execute only the starter hint
    var payload = hex2str(remapToHex(output));
eval(payload); // -> console.log("Start here")