CDVR3.3

#include<iostream>
using namespace std;
int main()
{
    int t; cin>>t;
    while(t--)
    {
        unsigned int x=0,y=0,t=0;
        if (scanf("%u %u",&x,&y));
        if (x > y)
        {
            t = x;
            x = y;
            y = t;
        }
        if (x*2 < y)
        {
            cout<<"NO\n";
            continue;
        }
        x%=3; y%=3;
        if (x > y) {t = x; x = y; y = t;}
        if (x == 0 && y == 0) cout<<"YES\n";
        else if (x == 1 && y == 2) cout<<"YES\n";
        else if (x == 2 && y == 1) cout<<"YES\n";
        else printf("NO\n");
    }
    return 0;
}