3010. Coins (III)

输入格式

Input starts with an integer $T$ ($T\le 10$), denoting the number of test cases.

Each case starts with a line containing two integers $n$ ($1\le n\le 100$) and $m$ ($1\le K\le 100000$). The next line contains $2n$ integers, denoting $A_1,A_2,\dots ,A_n,C_1,C_2,\dots ,C_n$ ($1\le A_i\le 100000,1\le C_i\le 1000$). All $A_i$ will be distinct.

输出格式

For each case, print the case number and the result.

2
3 10
1 2 4 2 1 1
2 5
1 4 2 1

Case 1: 8
Case 2: 4