Problem2214--Valid

2214: Valid

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 35  Solved: 26
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Description

Please count how many characters are valid in a given string. A character is valid if it is a lower-case Latin letter.

Input

There are several test cases.
For each test case, there is a single line containing a string of Latin letters whose length will not exceed 100.
Input is terminated by EOF.

Output

For each test case, output one line “Case X: Y”, where X is the test case number (starting from 1) and Y is an integer number denoting the desired answer.

Sample Input Copy

abAB
abXx

Sample Output Copy

Case 1: 2
Case 2: 3