function Main(input) {
    input = input.trim().split("\n");
    const [a, b] = input[0].trim().split(" ").map(Number);
    if ((a > 2 * b) || (b > 2 * a))
        console.log("No")
    else
        console.log("Yes")
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));