object Solution {

    def profit(b: Int, s: Int, c: Int): Int =  {
        return((s+b)-c)
    }

    def main(args: Array[String]) {
        val sc = new java.util.Scanner (System.in);
        var t = sc.nextInt();
        var a0 = 0;
        while(a0 < t){
            var b = sc.nextInt();
            var s = sc.nextInt();
            var c = sc.nextInt();
            val result = profit(b, s, c);
            println(result)
            a0+=1;
        }
    }
}