Option Explicit On
Imports System

Module Program
    Sub Main(args As String())

        Dim tmp As String() = Split(Console.ReadLine(), " ")

        Dim X As Integer = CInt(tmp(0))
        Dim Y As Integer = CInt(tmp(1))

        For a As Integer = 0 To 100
            For b As Integer = 0 To 100
                If a + b = X And a * 2 + b * 4 = Y Then
                    Console.WriteLine("Yes")
                    Exit Sub
                End If
            Next
        Next
        Console.WriteLine("No")

    End Sub
End Module
