import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        boolean flag = false;
        for (int i = 0; i <= x; i++) {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        }
        System.out.println(flag?"Yes":"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();
        int y = sc.nextInt();
        boolean flag = false;
        for (int i = 0; i <= x; i++) {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        }
        System.out.println(flag?"Yes":"No");
    }

} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        boolean flag = false;
        for (int i = 0; i <= x; i++) {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        }
        System.out.println(flag?"Yes":"No");
    } main {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        boolean flag = false;
        for (int i = 0; i <= x; i++) {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        }
        System.out.println(flag?"Yes":"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 for (int i = 0; i <= x; i++) {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        } int i = 0; int i = 0; i 0 i <= x i x i++ i++ i {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        } {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        } if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            } (4 * i) + (2 * (x - i)) == y (4 * i) + (2 * (x - i)) (4 * i) 4 i (2 * (x - i)) 2 (x - i) x i y {
                flag = true;
                break;
            } flag = true flag true break; System.out.println(flag?"Yes":"No") System.out.println System.out System System.out flag?"Yes":"No" flag "Yes" "No" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        boolean flag = false;
        for (int i = 0; i <= x; i++) {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        }
        System.out.println(flag?"Yes":"No");
    }

} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        boolean flag = false;
        for (int i = 0; i <= x; i++) {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        }
        System.out.println(flag?"Yes":"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();
        int y = sc.nextInt();
        boolean flag = false;
        for (int i = 0; i <= x; i++) {
            if ((4 * i) + (2 * (x - i)) == y) {
                flag = true;
                break;
            }
        }
        System.out.println(flag?"Yes":"No");
    }

}
