import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
		// 整数の入力
        
        int num = sc.nextInt();
        
        int leg = sc.nextInt();
        
        for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
		// 出力
		System.out.println("No");

    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
		// 整数の入力
        
        int num = sc.nextInt();
        
        int leg = sc.nextInt();
        
        for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
		// 出力
		System.out.println("No");

    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
		// 整数の入力
        
        int num = sc.nextInt();
        
        int leg = sc.nextInt();
        
        for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
		// 出力
		System.out.println("No");

    } main {
        Scanner sc = new Scanner(System.in);
		// 整数の入力
        
        int num = sc.nextInt();
        
        int leg = sc.nextInt();
        
        for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
		// 出力
		System.out.println("No");

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int num = sc.nextInt(); num sc.nextInt() sc.nextInt sc int leg = sc.nextInt(); leg sc.nextInt() sc.nextInt sc for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        } int i = 0; int i = 0; i 0 i < num + 1 i num + 1 num 1 i++ i++ i {
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        } {
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        } if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            } (i*2 + (num-i)*4) == leg (i*2 + (num-i)*4) i*2 i 2 (num-i)*4 (num-i) num i 4 leg {
                System.out.println("Yes");
                System.exit(0);
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" System.exit(0) System.exit System 0 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) throws Exception {
        Scanner sc = new Scanner(System.in);
		// 整数の入力
        
        int num = sc.nextInt();
        
        int leg = sc.nextInt();
        
        for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
		// 出力
		System.out.println("No");

    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
		// 整数の入力
        
        int num = sc.nextInt();
        
        int leg = sc.nextInt();
        
        for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
		// 出力
		System.out.println("No");

    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
		// 整数の入力
        
        int num = sc.nextInt();
        
        int leg = sc.nextInt();
        
        for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
		// 出力
		System.out.println("No");

    }
}