'Enter your code here. Read input from STDIN. Print output to STDOUT
Imports system 
Module solution 
    Public Shared Sub Main 
    Dim t as integer 
    Dim ar() as String 
    Dim f1 as integer 
    Dim f2 as integer 
    Dim f3 as integer 
    Dim i as integer 
    t=Console.Readline() 
        For i=0 To 2
    ar=Console.Readline().split(" ") 
    f1=CInt(ar(0))
    f2=CInt(ar(1))
    f3=CInt(ar(2))
    Console.writeLine (math.abs(f3-(f1+f2)) )
        Next 
        End Sub 
    End Module