dcuizjkchn mn

#include<bits/stdc++.h>
using namespace std;
int main(){
int x,y,j,t;
cin>>x>>y;
j=(4x-y)/2;
t=x-j;
if(j<=0||t<=0){
cout<<"No";
return 0;
}
if(2j+4*t==y){
cout<<"Yes";
}
else cout<<"No";
return 0;
}