The specified entry does not exist.
Invalid command
Manufacturer's name must be at least 4 symbols long.
Air Conditioner model WX500 from Toshiba registered successfully.
An entry for the given model already exists.
Invalid command
Invalid command
Volume Covered must be a positive integer.
Air Conditioner model HZ200 from Hitachi registered successfully.
The specified entry does not exist.
Air Conditioner
====================
Manufacturer: Toshiba
Model: WX500
Volume Covered: 8
====================
An entry for the given model already exists.
Electricity Used must be a positive integer.
Air Conditioner model HZ200 from Hitachi tested successfully.
An entry for the given model already exists.
An entry for the given model already exists.
Report
====================
Manufacturer: Hitachi
Model: HZ200
Mark: Failed
====================
The specified entry does not exist.
Invalid command
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