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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    int t;
    cin>>t;
    for(int z=0;z<t;z++)
    {
        int b;
        int c;
        int combo;
        cin>>b>>c>>combo;
        int res=b-combo;
        res += c;
        cout<<res<<"\n";
    }
    return 0;
}