BEFORE FUNCTION DEFINITIONS                                                     
AFTER FUNCTION DEFINITIONS                                                      
ENTER TOM                                                                       
X= 11                                                                           
EXIT TOM                                                                        
X= 1                                                                            
ENTER TOM                                                                       
X= 12                                                                           
EXIT TOM                                                                        
ENTER JERRY                                                                     
X= 13                                                                           
EXIT JERRY                                                                      
X= 2                                                                            
ENTER JERRY                                                                     
X= 14                                                                           
EXIT JERRY                                                                      
ENTER TOM                                                                       
X= 15                                                                           
EXIT TOM                                                                        
ENTER JERRY                                                                     
X= 16                                                                           
EXIT JERRY                                                                      
X= 3                                                                            
ENTER JERRY                                                                     
X= 17                                                                           
EXIT JERRY                                                                      
ENTER TOM                                                                       
X= 2                                                                            
EXIT TOM                                                                        
ENTER TOM                                                                       
X= 18                                                                           
EXIT TOM                                                                        
ENTER JERRY                                                                     
X= 1                                                                            
EXIT JERRY                                                                      
ENTER JERRY                                                                     
X= 19                                                                           
EXIT JERRY                                                                      
ENTER TOM                                                                       
X= 2                                                                            
EXIT TOM                                                                        
X= 1                                                                            
ENTER TOM                                                                       
X= 20                                                                           
EXIT TOM                                                                        
ENTER JERRY                                                                     
X= 1                                                                            
EXIT JERRY                                                                      
X= 2                                                                            
ENTER TOM                                                                       
X= 21                                                                           
EXIT TOM                                                                        
ENTER TOM                                                                       
X= 1                                                                            
EXIT TOM                                                                        
ENTER JERRY                                                                     
X= 22                                                                           
EXIT JERRY                                                                      
ENTER JERRY                                                                     
X= 2                                                                            
EXIT JERRY                                                                      
ENTER TOM                                                                       
X= 23                                                                           
EXIT TOM                                                                        
ENTER TOM                                                                       
X= 1                                                                            
EXIT TOM                                                                        
ENTER JERRY                                                                     
X= 24                                                                           
EXIT JERRY                                                                      
ENTER JERRY                                                                     
X= 2                                                                            
EXIT JERRY                                                                      
*** TEST PASSED ***                                                             
