package main
import "fmt"

func main() {
 //Enter your code here. Read input from STDIN. Print output to STDOUT
    var b, s, c int
    var size int
    fmt.Scanf("%d", &size)
    
    for i:=0;i<size;i++ {
        fmt.Scanf("%d %d %d", &b, &s, &c)
        fmt.Printf("%d\n",b+s-c)
    }
}