import java.util.Scanner;

public class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    Integer count = scan.nextInt();
    Integer legs = scan.nextInt();
    
    int turu;
    int kame;
    kame = (legs-(count*2))/2;
    turu = count-kame;
    int total = 2*turu + 4*kame;
        
    if(turu>=0&&kame>=0&&total==legs){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
  }
}


/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz