 Sum of two numbers represented as arrays
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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 ≤ 106
0 ≤ Ai, Bi≤ 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.

#### ** For More Input/Output Examples Use 'Expected Output' option **

Author: rajatjha

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