#include <bits/stdc++.h>
using namespace std;
int main() 
{
    long long int t;
    cin>>t;
    for (long long int x=0;x<t;x++)
    {
        long long int b,s,c;
        cin>>b>>s>>c;
        c=c-(b+s);
        cout<<abs(c)<<endl;
    }
    return 0;
}