Coinpiles
#include<bits/stdc++.h>
using namespace std;
#define int int64_t
#define pb push_back
#define f(a,b)
for(int i=a; i<b; i++)
signed main(){
int t; cin>>t;
int a, b;
while(t--)
{
cin>>a>>b;
while(true)
{
a>b ? a-=2, b-- : b -= 2,a--;
if(a==0 || b==0) break;
}
if(a==0 && b==0) { cout<<"YES\n"; continue; }
if(a==0 && b!=0) { cout<<"NO\n"; continue; }
if(a!=0 || b==0) { cout<<"NO\n"; continue; }
}
return 0;
}
Thoughtful Toad