Given two numbers represented by two different arrays **A** and **B**. The task is to find the sum array. The sum array is an array representation of addition of two input arrays.

**Input:**

The first line of input contains an integer T denoting the number of test cases. The first line of each test case contains two integers **N** and **M** separated by a space denoting the size of A and B respectively. The second line of each test case contains N elements and next line contains M elements.

**Output:**

Output the sum array.

**Constraints:**

1 ≤ T ≤ 100

1 ≤ N ≤ M ≤ 10^{6}

0 ≤ A_{i}, B_{i}≤ 9

**Example:
Input:**

2

3 3

5 6 3

8 4 2

6 4

2 2 7 5 3 3

4 3 3 8

**Output:**

1 4 0 5

2 3 1 8 7 1

**Explanation:
Testcase 2:** Sum of each elements of both arrays A and B gives an array equals 2, 3, 1, 8, 7, 1.

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