import java.util.Scanner;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int x = sc.nextInt();  //動物総数
    int y = sc.nextInt();  //足の総数
    boolean flag = false;


    int num = 0;
    for(int i=0; i<=x; i++){
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    }

    if(flag){
      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();  //動物総数
    int y = sc.nextInt();  //足の総数
    boolean flag = false;


    int num = 0;
    for(int i=0; i<=x; i++){
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    }

    if(flag){
      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();  //動物総数
    int y = sc.nextInt();  //足の総数
    boolean flag = false;


    int num = 0;
    for(int i=0; i<=x; i++){
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    }

    if(flag){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }



  } main {
    Scanner sc = new Scanner(System.in);
    int x = sc.nextInt();  //動物総数
    int y = sc.nextInt();  //足の総数
    boolean flag = false;


    int num = 0;
    for(int i=0; i<=x; i++){
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    }

    if(flag){
      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 flag = false; flag false int num = 0; num 0 for(int i=0; i<=x; i++){
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    } int i=0; int i=0; i 0 i<=x i x i++ i++ i {
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    } {
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    } num = 2 * i + 4 * (x-i) num 2 * i + 4 * (x-i) 2 * i 2 i 4 * (x-i) 4 (x-i) x i if(num==y){
        flag = true;
      } num==y num y {
        flag = true;
      } flag = true flag true if(flag){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    } flag {
      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();  //動物総数
    int y = sc.nextInt();  //足の総数
    boolean flag = false;


    int num = 0;
    for(int i=0; i<=x; i++){
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    }

    if(flag){
      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();  //動物総数
    int y = sc.nextInt();  //足の総数
    boolean flag = false;


    int num = 0;
    for(int i=0; i<=x; i++){
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    }

    if(flag){
      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();  //動物総数
    int y = sc.nextInt();  //足の総数
    boolean flag = false;


    int num = 0;
    for(int i=0; i<=x; i++){
      num = 2 * i + 4 * (x-i);
      if(num==y){
        flag = true;
      }
    }

    if(flag){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }



  }

}