#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 a;
    cin>>a;
    int res[a];
    for(int i=0;i<a;i++){
    int b, c, com;
        cin>>b>>c>>com;
        res[i] = (b+c)-com;
    }
    for(int i=0;i<a;i++){
    cout<<res[i]<<endl;
    }
    return 0;
}