console.log("Oh no a hacker!")
document.onkeydown = function(e) {
    if(event.keyCode == 123) {
        return false;
    }
    if(e.ctrlKey && e.shiftKey && e.keyCode == 'I'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.shiftKey && e.keyCode == 'J'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'U'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'C'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'X'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'Y'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'Z'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'V'.charCodeAt(0)){
        return false;
    }
    if (e.keyCode == 67 && e.shiftKey && (e.ctrlKey || e.metaKey)){
        return false;
    }
    if (e.keyCode == 'J'.charCodeAt(0) && e.altKey && (e.ctrlKey || e.metaKey)){
        return false;
    }
    if (e.keyCode == 'I'.charCodeAt(0) && e.altKey && (e.ctrlKey || e.metaKey)){
        return false;
    }
    if ((e.keyCode == 'V'.charCodeAt(0) && e.metaKey) || (e.metaKey && e.altKey)){
        return false;
    }
    if (e.ctrlKey && e.shiftKey && e.keyCode == 'C'.charCodeAt(0)){
        return false;
    }
    if (e.ctrlKey && e.shiftKey && e.keyCode == 'F6'.charCodeAt(0)){
        return false;
    }
    if (e.ctrlKey && e.shiftKey && e.keyCode == 'F12'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'S'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'H'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'A'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'F'.charCodeAt(0)){
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'E'.charCodeAt(0)){
        return false;
    }
    }
    if (document.addEventListener) {
        document.addEventListener('contextmenu', function(e) {
        e.preventDefault();
        }, false);
    }else{
        document.attachEvent('oncontextmenu', function() {
        window.event.returnValue = false;
        });
    }