Stickler the thief wants to loot money from a society** **having** n** houses in a single line. He is a weird person and follows a certain **rule **when looting the houses. According to the rule, he will **never loot two consecutive houses**. At the same time, he wants to **maximize **the amount he **loots**. The thief knows which house has what amount of money but is unable to come up with an optimal looting strategy. He asks for your help to **find the maximum money he can get** if he strictly **follows **the **rule**. Each house has **a[i]**** amount of money** present in it.

**Input:**

The first line of input contains an integer T denoting the number of test cases. T testcases follow. Each test case contains an integer **n** which denotes the number of houses. Next line contains space separated numbers denoting the amount of money in each house.

**Output:**

For each testcase, in a newline, print an integer which denotes the maximum amount he can take home.

**Constraints:**

1 <= T <= 200

1 <= n <= 10^{4}

1 <= a[i] <= 10^{4}

**Example:
Input:**

2

6

5 5 10 100 10 5

3

1 2 3

110

4

**Explanation:
Testcase1:**

5+100+5=110

1+3=4

Author: shashwat jain

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