import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int y = sc.nextInt();
		for (int turtle = 0; turtle <= x; ++turtle) {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				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);
		int x = sc.nextInt();
		int y = sc.nextInt();
		for (int turtle = 0; turtle <= x; ++turtle) {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				System.out.println("Yes");
				return;
			}
		}

		System.out.println("No");
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int y = sc.nextInt();
		for (int turtle = 0; turtle <= x; ++turtle) {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				System.out.println("Yes");
				return;
			}
		}

		System.out.println("No");
	} main {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int y = sc.nextInt();
		for (int turtle = 0; turtle <= x; ++turtle) {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				System.out.println("Yes");
				return;
			}
		}

		System.out.println("No");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int x = sc.nextInt(); x sc.nextInt() sc.nextInt sc int y = sc.nextInt(); y sc.nextInt() sc.nextInt sc for (int turtle = 0; turtle <= x; ++turtle) {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				System.out.println("Yes");
				return;
			}
		} int turtle = 0; int turtle = 0; turtle 0 turtle <= x turtle x ++turtle ++turtle turtle {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				System.out.println("Yes");
				return;
			}
		} {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				System.out.println("Yes");
				return;
			}
		} int crane = x - turtle; crane x - turtle x turtle int feet = 4 * turtle + 2 * crane; feet 4 * turtle + 2 * crane 4 * turtle 4 turtle 2 * crane 2 crane if (feet == y) {
				System.out.println("Yes");
				return;
			} feet == y feet y {
				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);
		int x = sc.nextInt();
		int y = sc.nextInt();
		for (int turtle = 0; turtle <= x; ++turtle) {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				System.out.println("Yes");
				return;
			}
		}

		System.out.println("No");
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int y = sc.nextInt();
		for (int turtle = 0; turtle <= x; ++turtle) {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				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);
		int x = sc.nextInt();
		int y = sc.nextInt();
		for (int turtle = 0; turtle <= x; ++turtle) {
			int crane = x - turtle;
			int feet = 4 * turtle + 2 * crane;
			if (feet == y) {
				System.out.println("Yes");
				return;
			}
		}

		System.out.println("No");
	}
}
