```#include<bits/stdc++.h>
using namespace std;
int main()
{
   long long t,x,y,sum=0,num=0,minn=100006,maxn=-1;//x=脚 y=头
   cin>>t;
   for(int i=1;i<=t;i++)
   {
       cin>>x>>y;
       for(int s=0;s<=x;s++)//兔
       {
           if(s<minn) minn=s;
           if(s>maxn) maxn=s;
           if(minn<0) minn=0;
           for(int j=0;j<=x;j++)//鸡
           {
               for(int l=0;l<=x;l++)//三脚猫        
               {
                   sum=s*4+j*2+l*3;
                   num=s+j+l;
                   if(sum==x&&num==y)
                   {
                       cout<<minn<<" "<<maxn<<endl;
                       break;
                   }
               }
           }
       }
   }
   return 0;
}