enum $\{$Idle$,$ BlueLED, $...........,$ GreenLED, RedLED, $............\}$;

int current $=$ Idle;

$//$OUTPUTS

int Blue $=5$;

int Yellow $=6$;

int Green $=7$;

int Red $=8$;

int Motor $=3$;

$//$INPUTS

int PB$\_1=9$;

int PB$\_2=10$;

int PB$\_3=11$;

void setup$()$

$\{$

Serial.begin$(9600)$;

pinMode$($Motor$,........)$;

pinMode$($Blue$,$ OUTPUT$)$;

pinMode$(........,$ OUTPUT$)$;

pinMode$($Green$,$ OUTPUT$)$;

pinMode$($Red$,$ OUTPUT$)$;

pinMode$($PB$\_1,.............)$;

pinMode$(....,$ INPUT$\_$PULLUP$)$;

pinMode$(....,$ INPUT$\_$PULLUP$)$;

$\}$

void output$(..........,$ int yValue, int gValue, $.........,.....$ mValue$)$

$\{$

$..........................$;

digitalWrite$($Yellow$,$ yValue$)$;

$..........................$;

$..........................$;

digitalWrite$($Motor$,$ mValue$)$;

$\}$

void loop$()$

$\{$

switch $($current$)$

$\{$

case Idle:

Serial.println$("$We are in Idle state"$)$;

output$(0,0,0,0,0)$;

if $($digitalRead$($PB$\_1)==0)$

current $=$ BlueLED;

delay$(80)$;

if $($digitalRead$($PB$\_3)==0)$

current $=$ RedLED;

break;

case BlueLED:

Serial.println$("$We are in BlueLED state"$)$;

$....................$;

if $($digitalRead$($PB$\_2)==....)$

$..........=$ YellowLED;

delay$(80)$;

if $(........................)$

current $=$ RedLED;

break;

case YellowLED:

Serial.println$("$We are in YellowLED state"$)$;

output$(............)$;

if $($digitalRead$(......)==0)$

current $=.............$;

delay$(80)$;

if $($digitalRead$($PB$\_3)==0)$

current $=............$;

break;

case GreenLED:

Serial.println$("$We are in GreenLED state"$)$;

$....................$;

if $(....................)$

current $=$ MotorON;

break;

case MotorON:

Serial.println$("$We are in MotorON state"$)$;

output$(1,1,1,0,1)$;

$...............$;

current $=........$;

break;

case RedLED:

$.....................$;

$.....................$;

$.....................$;

$.....................$;

break;

$\}$

$\}$

complete the missing part