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