Time Limit: 2000/1000 MS (Java/Others)

Memory Limit: 65535/32768 K (Java/Others)

Participants of the Luck Competition choose a non-negative integer no more than 100 in their mind. After choosing their number, let $K$ be the average of all numbers, and $M$ be the result of $K\times \frac{2}{3}$. Then the lucky person is the one who choose the highest number no more than $M$. If there are several such people, the lucky person is chosen randomly.

If you are given a chance to know how many people are participating the competition and what their numbers are, calculate the highest number with the highest probability to win assuming that you're joining the competition.

If you are given a chance to know how many people are participating the competition and what their numbers are, calculate the highest number with the highest probability to win assuming that you're joining the competition.

There are several test cases and the first line contains the number of test cases $T(T\leq10)$.

Each test case begins with an integer $N(1<N\leq100)$, denoting the number of participants. And next line contains $N-1$ numbers representing the numbers chosen by other participants.

Each test case begins with an integer $N(1<N\leq100)$, denoting the number of participants. And next line contains $N-1$ numbers representing the numbers chosen by other participants.

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