import java.util.*;
 
class Main {
    public static void main(String[] args) {
 		Scanner sc = new Scanner(System.in);
		int intKazu = sc.nextInt();
     	int intAshi = sc.nextInt();

// intKazu 3
// intAshi 6,8,10,12
// intKazu 5
// intAshi 10,12,14,16,18,20
	
		int OKflag = 0;
        for(int i=0;i<(intKazu+1);i++){
			if ( ((intKazu * 2) + (i *2)) == intAshi ) {
			OKflag = 1;
			}
        }
    
  
		if ( OKflag == 1 ) {
	        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