var a = 1, b = 2, c = 3;
(functionfirstFunction(){
var b = 5, c = 6;
(functionsecondFunction(){
var b = 8;
console.log("a: "+a+", b: "+b+", c: "+c);
(functionthirdFunction(){
var a = 7, c = 9;
(functionfourthFunction(){
var a = 1, c = 8;
})();
})();
})();
})();