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 tu = y-2*x;
    int ka = 4*x-y;

    if(tu>=0 && ka>=0 && tu%2==0 && ka%2==0) 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();
      
    int tu = y-2*x;
    int ka = 4*x-y;

    if(tu>=0 && ka>=0 && tu%2==0 && ka%2==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 tu = y-2*x;
    int ka = 4*x-y;

    if(tu>=0 && ka>=0 && tu%2==0 && ka%2==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 tu = y-2*x;
    int ka = 4*x-y;

    if(tu>=0 && ka>=0 && tu%2==0 && ka%2==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 tu = y-2*x; tu y-2*x y 2*x 2 x int ka = 4*x-y; ka 4*x-y 4*x 4 x y if(tu>=0 && ka>=0 && tu%2==0 && ka%2==0) System.out.println("Yes");
    else System.out.println("No"); tu>=0 && ka>=0 && tu%2==0 && ka%2==0 tu%2==0 tu>=0 && ka>=0 && tu%2==0 && ka%2==0 tu>=0 tu 0 ka>=0 ka 0 tu%2==0 tu%2 tu 2 0 ka%2==0 ka%2 ka 2 0 System.out.println("Yes") System.out.println System.out System System.out "Yes" 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 tu = y-2*x;
    int ka = 4*x-y;

    if(tu>=0 && ka>=0 && tu%2==0 && ka%2==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 tu = y-2*x;
    int ka = 4*x-y;

    if(tu>=0 && ka>=0 && tu%2==0 && ka%2==0) 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();
      
    int tu = y-2*x;
    int ka = 4*x-y;

    if(tu>=0 && ka>=0 && tu%2==0 && ka%2==0) System.out.println("Yes");
    else System.out.println("No");

  }
}