#include <bits/stdc++.h>
using namespace std;
int t;
void solve()
{
    while(t--)
    {
        int b,s,c;
        cin>>b>>s>>c;
        cout<<b+s-c<<endl;
    }
}
int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    while(cin>>t)
        solve();
    return 0;
}