function Main(input) {
	var str = input;
	var ans = "No";

	var str = str.split("\n")[0];//一行の場合
	var num = str.split(" ");//一行の場合
	var x = Number(num[0]);
	var y = Number(num[1]);
	if((x * 4 - y)/2 <= x && (x * 4 - y)/2 >=0 && (x * 4 - y)%2==0){
		ans = "Yes";
	}
	console.log(ans);
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));
