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();
        sc.close();

        for(int i=0; i<=x; i++) {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        }
        System.out.println("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();
        sc.close();

        for(int i=0; i<=x; i++) {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        }
        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();
        sc.close();

        for(int i=0; i<=x; i++) {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        }
        System.out.println("No");
    } main {
        Scanner sc = new Scanner(System.in);

        int x = sc.nextInt();
        int y = sc.nextInt();
        sc.close();

        for(int i=0; i<=x; i++) {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        }
        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 sc.close() sc.close sc for(int i=0; i<=x; i++) {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        } int i=0; int i=0; i 0 i<=x i x i++ i++ i {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        } {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        } for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            } int j=0; int j=0; j 0 j<=x-i j x-i x i j++ j++ j {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            } {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            } if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                } y == 2*i + 4*j && x == i + j y == 2*i + 4*j y 2*i + 4*j 2*i 2 i 4*j 4 j x == i + j x i + j i j {
                    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) {
        Scanner sc = new Scanner(System.in);

        int x = sc.nextInt();
        int y = sc.nextInt();
        sc.close();

        for(int i=0; i<=x; i++) {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        }
        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();
        sc.close();

        for(int i=0; i<=x; i++) {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        }
        System.out.println("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();
        sc.close();

        for(int i=0; i<=x; i++) {
            for(int j=0; j<=x-i; j++) {
                if(y == 2*i + 4*j && x == i + j) {
                    System.out.println("Yes");
                    System.exit(0);
                }
            }
        }
        System.out.println("No");
    }
}
