import 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();
        int t = x * 4;

        boolean yes = false;

        for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        }

        if (!yes) System.out.println("No");
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int x = sc.nextInt();
        int y = sc.nextInt();
        int t = x * 4;

        boolean yes = false;

        for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        }

        if (!yes) System.out.println("No");
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int x = sc.nextInt();
        int y = sc.nextInt();
        int t = x * 4;

        boolean yes = false;

        for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        }

        if (!yes) System.out.println("No");
    } main {
        Scanner sc = new Scanner(System.in);

        int x = sc.nextInt();
        int y = sc.nextInt();
        int t = x * 4;

        boolean yes = false;

        for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        }

        if (!yes) System.out.println("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 int t = x * 4; t x * 4 x 4 boolean yes = false; yes false for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        } int i = 0; int i = 0; i 0 i < x i x i++ i++ i {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        } {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        } if(t>y) t -= 2; t>y t y t -= 2 t 2 if (y == t) {
                System.out.println("Yes");
                yes = true;
            } y == t y t {
                System.out.println("Yes");
                yes = true;
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" yes = true yes true if (t <= y) break; t <= y t y break; if (!yes) System.out.println("No"); !yes yes 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) {
        Scanner sc = new Scanner(System.in);

        int x = sc.nextInt();
        int y = sc.nextInt();
        int t = x * 4;

        boolean yes = false;

        for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        }

        if (!yes) System.out.println("No");
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int x = sc.nextInt();
        int y = sc.nextInt();
        int t = x * 4;

        boolean yes = false;

        for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        }

        if (!yes) System.out.println("No");
    }
} Main
import 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();
        int t = x * 4;

        boolean yes = false;

        for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        }

        if (!yes) System.out.println("No");
    }
}