5. summary (note: these two words should be together)

You invented a new encryption technology, cleverly inserting randomly generated characters between characters to generate emails. Because of the patent problem, we will not discuss in detail how the string is generated and inserted into the original email. In order to verify your method, you really need to write a program to check whether the last string email is encoded.

Given two strings S and T, it is up to you to decide whether S or T is a substring, that is, if you can delete characters from T and get the string S, then S is a substring.

invest

Input contains a variety of situations. Each has an alphanumeric ASCII character combination, consisting of strings S and T, separated by spaces. The length of s and t shall not exceed 100000.

output

For each test case: if S is a string of T, output "Yes", otherwise output "No".

For example, input

Sequence subsequence

Manual compression

Verdi vivaVittorioEmanueleReDiItalia

CaseDoesMatter CaseDoesMatter (there is something wrong with this paragraph)

Sample output:

be

no

be

no

Look at it! The translation is finished!

It seems that some parts of the article are quite messy, some I can correct, and some I really don't know what it is.

Is it an English article translated for writing a paper?