import java.util.*;
import java.lang.*;
import java.io.*;

public class Main {

	public static void main(String[] args) throws java.lang.Exception
    {		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		int x =Integer.parseInt(st.nextToken()),y=Integer.parseInt(st.nextToken());
		boolean f=false;
		for(int i=0; i<=x; i++) {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		}
		System.out.println(f?"Yes":"No");
	}

} import java.util.*; util.* java import java.lang.*; lang.* java import java.io.*; io.* java public class Main {

	public static void main(String[] args) throws java.lang.Exception
    {		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		int x =Integer.parseInt(st.nextToken()),y=Integer.parseInt(st.nextToken());
		boolean f=false;
		for(int i=0; i<=x; i++) {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		}
		System.out.println(f?"Yes":"No");
	}

} Main public static void main(String[] args) throws java.lang.Exception
    {		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		int x =Integer.parseInt(st.nextToken()),y=Integer.parseInt(st.nextToken());
		boolean f=false;
		for(int i=0; i<=x; i++) {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		}
		System.out.println(f?"Yes":"No");
	} main {		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		int x =Integer.parseInt(st.nextToken()),y=Integer.parseInt(st.nextToken());
		boolean f=false;
		for(int i=0; i<=x; i++) {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		}
		System.out.println(f?"Yes":"No");
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) StringTokenizer st = new StringTokenizer(br.readLine()); st new StringTokenizer(br.readLine()) int x =Integer.parseInt(st.nextToken()) x Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st y=Integer.parseInt(st.nextToken()); y Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st boolean f=false; f false for(int i=0; i<=x; i++) {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		} int i=0; int i=0; i 0 i<=x i x i++ i++ i {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		} {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		} if((i*2+ (x-i)*4)==y) 
			  {f=true; 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 {f=true; break;} f=true f true break; System.out.println(f?"Yes":"No") System.out.println System.out System System.out f?"Yes":"No" f "Yes" "No" String[] args args public class Main {

	public static void main(String[] args) throws java.lang.Exception
    {		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		int x =Integer.parseInt(st.nextToken()),y=Integer.parseInt(st.nextToken());
		boolean f=false;
		for(int i=0; i<=x; i++) {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		}
		System.out.println(f?"Yes":"No");
	}

} public class Main {

	public static void main(String[] args) throws java.lang.Exception
    {		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		int x =Integer.parseInt(st.nextToken()),y=Integer.parseInt(st.nextToken());
		boolean f=false;
		for(int i=0; i<=x; i++) {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		}
		System.out.println(f?"Yes":"No");
	}

} Main
import java.util.*;
import java.lang.*;
import java.io.*;

public class Main {

	public static void main(String[] args) throws java.lang.Exception
    {		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		int x =Integer.parseInt(st.nextToken()),y=Integer.parseInt(st.nextToken());
		boolean f=false;
		for(int i=0; i<=x; i++) {
			if((i*2+ (x-i)*4)==y) 
			  {f=true; break;}
		}
		System.out.println(f?"Yes":"No");
	}

}