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 i = 0; i <= x; i++) {
			if (i * 2 + (x - i) * 4 == y) {
				System.out.println("Yes");
				return;
			}
		}
		
		System.out.println("No");
		
		sc.close();
	}
}

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


