C++ :

#include<bits/stdc++.h>
using namespace std;
int a,b;
int main(){
	cin>>a>>b;
	for(int i=0;i<=a;i++)
	{
		int tu=a-i;
		if(i*2+tu*4==b) {cout<<"Yes";return 0;} 
	}
	cout<<"No";
    return 0;
}