How to implement “if else if else” condition in XSLT

Question

Is it possible to implement \"if else, if else\" in xsl? for example I have data:

    
        MAR111
          


        

Answer 1

This stylesheet:

Output:

    
        MAR111
        1
        3
    


    
        MEA111
        1
        4
    


    
        MPR111
        1
        2