(limit = 5)

(timeslot = 120s)

Please write your username in order to register products: user1  
Please write the products you would like to register (press 'Enter' to quit): banana  
Product banana is now registered  
massa  
Product massa is now registered  
arroz  
Product arroz is now registered  
leite  
Product leite is now registered  
agua  
Product agua is now registered  
pera  
Product limit reached for the time interval  
Please wait 112 seconds to add different products, or press 'Enter' to quit  
pera  
Product limit reached for the time interval  
Please wait 104 seconds to add different products, or press 'Enter' to quit

Exiting...

  
(limit = 5)

(timeslot = 30s)

Please write your username in order to register products: user2  
Please write the products you would like to register (press 'Enter' to quit): agua  
Product agua is now registered  
kiwi  
Product kiwi is now registered  
abacate  
Product abacate is now registered  
kiwi  
Product already registered  
tomate  
Product tomate is now registered  
banana  
Product banana is now registered  
leite  
Product limit reached for the time interval  
Please wait 14 seconds to add different products, or press 'Enter' to quit  
leite  
Product limit reached for the time interval  
Product leite is now registered  
sal  
Product sal is now registered

Exiting...