import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        int X = Integer.parseInt(st.nextToken());
        int Y = Integer.parseInt(st.nextToken());

        int diff = 4 * X - Y;

        if(diff < 0 || diff % 2 != 0) {
            pw.println("No");
        } else if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        }

        br.close();
        pw.close();
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.PrintWriter; PrintWriter java.io import java.util.StringTokenizer; StringTokenizer java.util public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        int X = Integer.parseInt(st.nextToken());
        int Y = Integer.parseInt(st.nextToken());

        int diff = 4 * X - Y;

        if(diff < 0 || diff % 2 != 0) {
            pw.println("No");
        } else if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        }

        br.close();
        pw.close();
    }
} Main public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        int X = Integer.parseInt(st.nextToken());
        int Y = Integer.parseInt(st.nextToken());

        int diff = 4 * X - Y;

        if(diff < 0 || diff % 2 != 0) {
            pw.println("No");
        } else if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        }

        br.close();
        pw.close();
    } main {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        int X = Integer.parseInt(st.nextToken());
        int Y = Integer.parseInt(st.nextToken());

        int diff = 4 * X - Y;

        if(diff < 0 || diff % 2 != 0) {
            pw.println("No");
        } else if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        }

        br.close();
        pw.close();
    } BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in)); br new BufferedReader(new java.io.InputStreamReader(System.in)) PrintWriter pw = new PrintWriter(System.out); pw new PrintWriter(System.out) StringTokenizer st = new StringTokenizer(br.readLine()); st new StringTokenizer(br.readLine()) int X = Integer.parseInt(st.nextToken()); X Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int Y = Integer.parseInt(st.nextToken()); Y Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int diff = 4 * X - Y; diff 4 * X - Y 4 * X 4 X Y if(diff < 0 || diff % 2 != 0) {
            pw.println("No");
        } else if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        } diff < 0 || diff % 2 != 0 diff < 0 diff 0 diff % 2 != 0 diff % 2 diff 2 0 {
            pw.println("No");
        } pw.println("No") pw.println pw "No" if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        } diff / 2 <= X diff / 2 diff 2 X {
            pw.println("Yes");
        } pw.println("Yes") pw.println pw "Yes" {
            pw.println("No");
        } pw.println("No") pw.println pw "No" br.close() br.close br pw.close() pw.close pw String[] args args public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        int X = Integer.parseInt(st.nextToken());
        int Y = Integer.parseInt(st.nextToken());

        int diff = 4 * X - Y;

        if(diff < 0 || diff % 2 != 0) {
            pw.println("No");
        } else if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        }

        br.close();
        pw.close();
    }
} public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        int X = Integer.parseInt(st.nextToken());
        int Y = Integer.parseInt(st.nextToken());

        int diff = 4 * X - Y;

        if(diff < 0 || diff % 2 != 0) {
            pw.println("No");
        } else if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        }

        br.close();
        pw.close();
    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        int X = Integer.parseInt(st.nextToken());
        int Y = Integer.parseInt(st.nextToken());

        int diff = 4 * X - Y;

        if(diff < 0 || diff % 2 != 0) {
            pw.println("No");
        } else if(diff / 2 <= X) {
            pw.println("Yes");
        } else {
            pw.println("No");
        }

        br.close();
        pw.close();
    }
}