import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String args[]) throws IOException {

	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String array[] = br.readLine().split(" ");
	int x = Integer.parseInt(array[0]);
	int y = Integer.parseInt(array[1]);
	int z = y % 4;
	if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    System.out.println("No");
	}

    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
    public static void main(String args[]) throws IOException {

	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String array[] = br.readLine().split(" ");
	int x = Integer.parseInt(array[0]);
	int y = Integer.parseInt(array[1]);
	int z = y % 4;
	if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    System.out.println("No");
	}

    }
} Main public static void main(String args[]) throws IOException {

	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String array[] = br.readLine().split(" ");
	int x = Integer.parseInt(array[0]);
	int y = Integer.parseInt(array[1]);
	int z = y % 4;
	if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    System.out.println("No");
	}

    } main {

	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String array[] = br.readLine().split(" ");
	int x = Integer.parseInt(array[0]);
	int y = Integer.parseInt(array[1]);
	int z = y % 4;
	if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    System.out.println("No");
	}

    } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String array[] = br.readLine().split(" "); array br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " int x = Integer.parseInt(array[0]); x Integer.parseInt(array[0]) Integer.parseInt Integer array[0] array 0 int y = Integer.parseInt(array[1]); y Integer.parseInt(array[1]) Integer.parseInt Integer array[1] array 1 int z = y % 4; z y % 4 y 4 if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    System.out.println("No");
	} (z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y (z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y (z == 0 || z % 2 == 0) z == 0 z 0 z % 2 == 0 z % 2 z 2 0 4 * x >= y 4 * x 4 x y 2 * x <= y 2 * x 2 x y {
	    System.out.println("Yes");
	} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
	    System.out.println("No");
	} System.out.println("No") System.out.println System.out System System.out "No" String args[] args public class Main {
    public static void main(String args[]) throws IOException {

	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String array[] = br.readLine().split(" ");
	int x = Integer.parseInt(array[0]);
	int y = Integer.parseInt(array[1]);
	int z = y % 4;
	if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    System.out.println("No");
	}

    }
} public class Main {
    public static void main(String args[]) throws IOException {

	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String array[] = br.readLine().split(" ");
	int x = Integer.parseInt(array[0]);
	int y = Integer.parseInt(array[1]);
	int z = y % 4;
	if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    System.out.println("No");
	}

    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String args[]) throws IOException {

	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String array[] = br.readLine().split(" ");
	int x = Integer.parseInt(array[0]);
	int y = Integer.parseInt(array[1]);
	int z = y % 4;
	if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    System.out.println("No");
	}

    }
}
