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

int main() {
  int t; cin>>t;
  while (t--)
  {
     ll a,b,x;
     cin>>a>>b>>x;
     if (x <= a) {
      a -= x;
  }
    
     else {
      x -= a;
      a = 0;
      b = max(0LL, b - x); 
  }
  cout<<a<<" "<<b<<endl;
  }
  
  return 0;
}