Flowchart                                                                                                                                              
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
         System 1                                                                                                                                          System 2                                                                              
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                          Step1                                                                                  
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                          Step2                                                                                  
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                          Step3                                                                                  
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                  Output of Step3
                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                 
                                           Step 4