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


int main() {
    int t;
    scanf("%d", &t);
    while (t--) {
        int b, s, c;
        scanf("%d %d %d", &b, &s, &c);
        printf("%d\n", s - c + b);
    }
    return 0;
}