#include <bits/stdc++.h>
using namespace std;

#define MAX 10
#define ull unsigned long long int

int main() 
{
	int i, n;
	int c, b, s;

	cin >> n;
	
	while (n--)
	{
		cin >> b >> s >> c;

		cout << -(c-b-s) << endl;
	}

	return 0;
}