Spoken Tutorials - Bash Assignment 
				Funded by the National Mission on Education through ICT
				       Indian Institute of Technology Bombay,
					       http://spoken-tutorial.org
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Nested and multilevel if elsif statements

1) Write a program to output different messages when number is:
   a. Greater than 3
   b. Lesser than 3
   c. Or equal to 3
   d. Or when the user input is empty