import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		// スペース区切りの整数の入力
		int b = sc.nextInt();
		boolean ans=false;
      if(b%2!=0){
        System.out.println("No");
                 }else{
      for(int i=0; i<=a; i++){
      if((2*i)+(4*(a-i))==b){
        ans=true;
        break;
      }
      }
      if(ans){
      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