Description

The first lesson woniuxia taught us is the another meaning of ACM, and Albert_s changed his signature to this at that time. As time goes by, he forgot this gradually, so he called woniuxia to find the answer. woniuxia chatted with him a long time, answered every questions Albert_s rose. When asked if he still has a chance to continue his ACM road, woniuxia gave the following answer:

Of course, woniuxia told him the another meaning of ACM finally —— it's always challenge miracles . In order to remember it forever, you should output this sentence with the first letter capitalization.

Format

Input

Null

Output

a sentence indicating the answer

Samples

Null

("always challenge miracles" with the first letter capitalization)