import java.util.ArrayList;
import java.util.Scanner;

public class Main {
	

	
	
	
	public static void main(String[] args) {
		
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		int y = s.nextInt();
		
		int flag=0;
		for(int i=0;i<=x;i++) {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		}
		if(flag==0) {
			System.out.println("No");
		}
	}
} import java.util.ArrayList; ArrayList java.util import java.util.Scanner; Scanner java.util public class Main {
	

	
	
	
	public static void main(String[] args) {
		
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		int y = s.nextInt();
		
		int flag=0;
		for(int i=0;i<=x;i++) {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		}
		if(flag==0) {
			System.out.println("No");
		}
	}
} Main public static void main(String[] args) {
		
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		int y = s.nextInt();
		
		int flag=0;
		for(int i=0;i<=x;i++) {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		}
		if(flag==0) {
			System.out.println("No");
		}
	} main {
		
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		int y = s.nextInt();
		
		int flag=0;
		for(int i=0;i<=x;i++) {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		}
		if(flag==0) {
			System.out.println("No");
		}
	} Scanner s = new Scanner(System.in); s new Scanner(System.in) int x = s.nextInt(); x s.nextInt() s.nextInt s int y = s.nextInt(); y s.nextInt() s.nextInt s int flag=0; flag 0 for(int i=0;i<=x;i++) {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		} 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");
				flag=1;
				break;
			}
		} {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		} if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			} 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");
				flag=1;
				break;
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" flag=1 flag 1 break; if(flag==0) {
			System.out.println("No");
		} flag==0 flag 0 {
			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) {
		
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		int y = s.nextInt();
		
		int flag=0;
		for(int i=0;i<=x;i++) {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		}
		if(flag==0) {
			System.out.println("No");
		}
	}
} public class Main {
	

	
	
	
	public static void main(String[] args) {
		
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		int y = s.nextInt();
		
		int flag=0;
		for(int i=0;i<=x;i++) {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		}
		if(flag==0) {
			System.out.println("No");
		}
	}
} Main
import java.util.ArrayList;
import java.util.Scanner;

public class Main {
	

	
	
	
	public static void main(String[] args) {
		
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		int y = s.nextInt();
		
		int flag=0;
		for(int i=0;i<=x;i++) {
			if(i*2+(x-i)*4==y) {
				System.out.println("Yes");
				flag=1;
				break;
			}
		}
		if(flag==0) {
			System.out.println("No");
		}
	}
}