Digit Removal

You are given an integer $N$ and a digit $D$. Find the minimum non-negetive integer you should add to $N$ such that the final value of $N$ does not contain the digit $D$. ### Input - The first line contains $T$ denoting the number of test cases. Then the test cases follow. - Each test case contains two integers $N$ and $D$ on a single line denoting the original number and the digit you need to av