Solve the Mystery.
Input :
First line contains T - No. of Test cases.
Each Test case consists of 2 lines.
First line contains K.
Second line contains 3 space separated Integers A1 ,A2 ,A3.
Output :
Print required answers in separate lines.
Constraints :
1<= T <= 100
1<= K <= 10
0<= Ai <=10