function S4() {
    return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
}

function generateGUID(){
    var l_guid = (S4() + S4() + "-" + S4() + "-4" + S4().substr(0,3) + "-" + S4() + "-" + S4() + S4() + S4()).toLowerCase();
    return l_guid;
}

function run(){
var l_guid = generateGUID();
var l_hexGuid = parseInt(l_guid.replace(/-/g,"").substring(20,l_guid.length),16)%6;
console.log(l_hexGuid);
return true;
}
run();
 

function S4() {
    return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
}

function generateGUID(){
    var l_guid = (S4() + S4() + "-" + S4() + "-4" + S4().substr(0,3) + "-" + S4() + "-" + S4() + S4() + S4()).toLowerCase();
    return l_guid;
}
function run(){
var l_guid = generateGUID();
var mod = parseInt(l_guid.split('-').pop(), 16) % 6;
console.log(mod);
}
run();