There are houses for sale. The -th house costs dollars to buy. You have a budget of dollars to spend.
What is the maximum number of houses you can buy?
输入格式
The first line of the input gives the number of test cases, . test cases follow. Each test case begins with a single line containing the two integers and . The second line contains integers. The -th integer is , the cost of the -th house.
输出格式
For each test case, output one line containing Case #x: y, where x is the test case number (starting from 1) and y is the maximum number of houses you can buy.
