var userName = prompt('Who is it?', '');

if(userName == 'Admin') {
    var pass = prompt('Password');

    if(pass = 'Black dominator') {
        alert("You're welcome");
    } else if (pass = null) {
        alert("Naxyu")
    } else {
        alert('Wrong password')
    }
} else if(userName == null) {
    alert('Fuck you')
} else {
    alert("You're not a member of you community")
};