Is my solution right?

A digital alarm. The digital alarm has two buttons. Button A if selected it will set either the hour or the minute. If button A pressed once it will set the hour and if it is pressed two times it will set the minutes. And for the button B if it is pressed it will advance either the hour or the minute. Draw the state diagram for the system (include the states and the events of the transitions) Turn on alarm Alarm is ON Press button A once Press button A twice Set the hour Set the minutes Press button B Press button B Advance Alarm is set