Untitled

#include <bits/stdc++.h>
using namespace std;
#define ll long long

int main(){
  ll n;
  cin>>n;
  vector<string>v(n);
  for(ll i=0;i<n;i++){
    ll a,b;
    cin>>a>>b;
    if((a+b)%3==0&&a<=2*b&&b<=2*a){
        v[i]="YES";
        }
        else{
        v[i]="NO";
    }
  }

    for(ll i=0;i<n;i++){
        cout<<v[i]<<endl;
    }
    return 0;

}