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

int a,s,h,n;
int main() {
    cin>>n;
    while(n){
        cin>>a>>s>>h;
        cout<<a+s-h<<endl;
        n--;
    }
    return 0;
}