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