import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] s = br.readLine().split(" ");
        int x = Integer.parseInt(s[0]);
        int y = Integer.parseInt(s[1]);
        for(int i=0; i<=x; i++) {
            int b = x - i;
            if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            }
        }
        System.out.print("No");
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] s = br.readLine().split(" ");
        int x = Integer.parseInt(s[0]);
        int y = Integer.parseInt(s[1]);
        for(int i=0; i<=x; i++) {
            int b = x - i;
            if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            }
        }
        System.out.print("No");
    }
} Main public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] s = br.readLine().split(" ");
        int x = Integer.parseInt(s[0]);
        int y = Integer.parseInt(s[1]);
        for(int i=0; i<=x; i++) {
            int b = x - i;
            if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            }
        }
        System.out.print("No");
    } main {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] s = br.readLine().split(" ");
        int x = Integer.parseInt(s[0]);
        int y = Integer.parseInt(s[1]);
        for(int i=0; i<=x; i++) {
            int b = x - i;
            if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            }
        }
        System.out.print("No");
    } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String[] s = br.readLine().split(" "); s br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " int x = Integer.parseInt(s[0]); x Integer.parseInt(s[0]) Integer.parseInt Integer s[0] s 0 int y = Integer.parseInt(s[1]); y Integer.parseInt(s[1]) Integer.parseInt Integer s[1] s 1 for(int i=0; i<=x; i++) {
            int b = x - i;
            if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            }
        } int i=0; int i=0; i 0 i<=x i x i++ i++ i {
            int b = x - i;
            if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            }
        } {
            int b = x - i;
            if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            }
        } int b = x - i; b x - i x i if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            } 2*i + 4*b == y 2*i + 4*b 2*i 2 i 4*b 4 b y {
                System.out.print("Yes");
                return;
            } System.out.print("Yes") System.out.print System.out System System.out "Yes" return; System.out.print("No") System.out.print System.out System System.out "No" String[] args args
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] s = br.readLine().split(" ");
        int x = Integer.parseInt(s[0]);
        int y = Integer.parseInt(s[1]);
        for(int i=0; i<=x; i++) {
            int b = x - i;
            if(2*i + 4*b == y) {
                System.out.print("Yes");
                return;
            }
        }
        System.out.print("No");
    }
}