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

int main(){
int t;
cin>>t;
while(t--){

int a,b,x;
cin>>a>>b>>x;
if(a>=x){cout<<a-x<<" "<<b<<endl;}
else{x-=a;if(b>=x){cout<<"0 "<<b-x<<endl;}else cout<<"0 0\n";}
}
}