function main(input) {
  input = input.trim();
  const list = input.split(" ");
  const animalsLength = Number(list[0])
  const legsLength = Number(list[1])
  const craneLegs = 2
  const turtleLegs = 4
  if (legsLength === 0 || legsLength % 2 === 1) {
    return console.log('No')
  }
  if (animalsLength * craneLegs <= legsLength && legsLength <= animalsLength * turtleLegs) {
    return console.log('Yes')
  }
  console.log('No')
}

main(require("fs").readFileSync("/dev/stdin", "utf8"));