#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    int t;
    cin>>t;
    long a,c,b;
    for(int i=0;i<t;i++)
    {
        cin>>a>>b>>c;
        cout<<-(c-(a+b))<<endl;
    }
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}