import 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();
      	boolean ans = false;
      	for(int i=0;i<X+1;i++){
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        }
      if( ans ){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }       
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      	int X = sc.nextInt();
      	int Y = sc.nextInt();
      	boolean ans = false;
      	for(int i=0;i<X+1;i++){
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        }
      if( ans ){
        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();
      	boolean ans = false;
      	for(int i=0;i<X+1;i++){
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        }
      if( ans ){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }       
	} main {
		Scanner sc = new Scanner(System.in);
      	int X = sc.nextInt();
      	int Y = sc.nextInt();
      	boolean ans = false;
      	for(int i=0;i<X+1;i++){
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        }
      if( ans ){
        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 boolean ans = false; ans false for(int i=0;i<X+1;i++){
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        } int i=0; int i=0; i 0 i<X+1 i X+1 X 1 i++ i++ i {
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        } {
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        } if( i*2 + (X-i)*4 == Y ){
              ans = true;
            } i*2 + (X-i)*4 == Y i*2 + (X-i)*4 i*2 i 2 (X-i)*4 (X-i) X i 4 Y {
              ans = true;
            } ans = true ans true if( ans ){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      } ans {
        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();
      	boolean ans = false;
      	for(int i=0;i<X+1;i++){
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        }
      if( ans ){
        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();
      	boolean ans = false;
      	for(int i=0;i<X+1;i++){
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        }
      if( ans ){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }       
	}
} Main
import 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();
      	boolean ans = false;
      	for(int i=0;i<X+1;i++){
            if( i*2 + (X-i)*4 == Y ){
              ans = true;
            }    
        }
      if( ans ){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }       
	}
}