cf 1260B

#include <bits/stdc++.h>
using namespace std;
#define test int t; cin>>t; while (t--)
#define ll long long int
#define fellow_junior  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int main()
{
   fellow_junior
   test
   {
       ll a,c,d,e,f,i,j,k,l;
       cin>>a>>c;
       if(((a+c)%3)==0 && 2*a>=c && 2*c>=a)
       {
           cout<<"YES"<<endl;
       }
       else cout<<"NO"<<endl;
   }


   return 0;
}