Write a program to simulate the operations of a bank. Suppose there are
N bank tellres serving M incoming customers. If there are available tellers
at the time the customer enters the bank,he will go to the first available
teller for service,If all the tellers are busy,the customer must wait in a
first-infirst-out queue,and a teller becomes available. Again if there are
move than one teller beocme available simultaneously,he will go to the first
available teller.
Note 1:Blank spaces and punctuation marks are not considered.
Note 2:It makes no difference whatever the word are capitalized,e.g
"sample"
is the same as"sample".
Input File
A text document(less then 10 sentences)
Output File
A word or a set of words in alphabetical order(without capitalization)
with the highest occuring freqency in the given focument.
Sample Input
The sample input data and the sample output data for the sample input data
are provided.
Sample output
data sample the
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