CLOCK2  The Famous Clock
Mr. B, Mr. G and Mr. M are now in Warsaw, Poland, for the 2012’s ACMICPC World Final Contest. They’ve decided to take a 5 hours training every day before the contest. Also, they plan to start training at 10:00 each day since the World Final Contest will do so. The scenery in Warsaw is so attractive that Mr. B would always like to take a walk outside for a while after breakfast. However, Mr. B have to go back before training starts, otherwise his teammates will be annoyed. But here is a problem: Mr. B does not have a watch. In order to know the exact time, he has bought a new watch in Warsaw, but all the numbers on that watch are presented with Roman numerals. Mr. B cannot understand such kind of numbers. Can you translate for him?
Input
Each test case contains a single line indicating a Roman number that to be translated. All the numbers can be found on clocks. That is, each numbers in the input represents an integer between 1 and 12. Roman numbers are expressed by strings consisting of uppercase I, V and X. See the sample input for further information.
Output
For each test case, display a single line containing a decimal number corresponding to the given Roman number.
Example
Input: I II III IV V VI VII VIII IX X XI XII Output: Case 1: 1 Case 2: 2 Case 3: 3 Case 4: 4 Case 5: 5 Case 6: 6 Case 7: 7 Case 8: 8 Case 9: 9 Case 10: 10 Case 11: 11 Case 12: 12
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argyanto dimas n.:
20130325 10:20:51
what's make my code TLE ? 

Adhityaa:
20120717 11:34:46
Wow...What a story to convert Roman numerals to Decimals 

saket diwakar:
20120603 18:23:27
surely tutorial.... 
Added by:  Fudan University Problem Setters 
Date:  20120525 
Time limit:  0.25s 
Source limit:  50000B 
Memory limit:  1536MB 
Cluster:  Cube (Intel G860) 
Languages:  All except: ASM64 
Resource:  FDU Local Contest 2012 