

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		double x = sc.nextInt();
		double y = sc.nextInt();
		sc.close();



		if(y > x * 4 || y < x * 2) {
			System.out.println("No");
		}else {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		}




	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		double x = sc.nextInt();
		double y = sc.nextInt();
		sc.close();



		if(y > x * 4 || y < x * 2) {
			System.out.println("No");
		}else {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		}




	}

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

		Scanner sc = new Scanner(System.in);

		double x = sc.nextInt();
		double y = sc.nextInt();
		sc.close();



		if(y > x * 4 || y < x * 2) {
			System.out.println("No");
		}else {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		}




	} main {

		Scanner sc = new Scanner(System.in);

		double x = sc.nextInt();
		double y = sc.nextInt();
		sc.close();



		if(y > x * 4 || y < x * 2) {
			System.out.println("No");
		}else {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		}




	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) double x = sc.nextInt(); x sc.nextInt() sc.nextInt sc double y = sc.nextInt(); y sc.nextInt() sc.nextInt sc sc.close() sc.close sc if(y > x * 4 || y < x * 2) {
			System.out.println("No");
		}else {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		} y > x * 4 || y < x * 2 y > x * 4 y x * 4 x 4 y < x * 2 y x * 2 x 2 {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		} for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			} int i=0; int i=0; i 0 i<=100 i 100 i++ i++ i {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			} {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			} if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				} ( y - 2 * x )/2 == i ( y - 2 * x )/2 ( y - 2 * x ) y 2 * x 2 x 2 i {
					System.out.println("Yes");
					return;
				} System.out.println("Yes") System.out.println System.out System System.out "Yes" return; 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) {

		Scanner sc = new Scanner(System.in);

		double x = sc.nextInt();
		double y = sc.nextInt();
		sc.close();



		if(y > x * 4 || y < x * 2) {
			System.out.println("No");
		}else {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		}




	}

} public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		double x = sc.nextInt();
		double y = sc.nextInt();
		sc.close();



		if(y > x * 4 || y < x * 2) {
			System.out.println("No");
		}else {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		}




	}

} Main


import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		double x = sc.nextInt();
		double y = sc.nextInt();
		sc.close();



		if(y > x * 4 || y < x * 2) {
			System.out.println("No");
		}else {
			for(int i=0; i<=100; i++) {
				if( ( y - 2 * x )/2 == i ) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");
		}




	}

}
