#define RED 2
#define GREEN 19
#define BLUE 18
#define S1 14
#define S2 27

int value = 0;//global variable

void setup() {
  // put your setup code here, to run once:
  pinMode(RED, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BLUE, OUTPUT);
  pinMode(S1, INPUT);
  pinMode(S2, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
 
if (digitalRead(S1) == 1){//1 = press switch
 digitalWrite(RED, LOW); //low = on
 digitalWrite(GREEN, LOW); // low = on
 digitalWrite(BLUE, HIGH); // high = off
 delay(1000);
}
else if (digitalRead(S2) == 1){
 digitalWrite(RED, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 delay(1000);
}
else{
 digitalWrite(RED, LOW);
 digitalWrite(GREEN, HIGH);
 digitalWrite(BLUE, LOW);
 delay(1000);
 digitalWrite(RED, LOW);
 digitalWrite(GREEN, HIGH);
 digitalWrite(BLUE, HIGH);
 delay(1000);
 digitalWrite(RED, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, HIGH);
 delay(1000);
 digitalWrite(RED, HIGH);
 digitalWrite(GREEN, HIGH);
 digitalWrite(BLUE, LOW);
 delay(1000);
}
}

//keadaan asal - Led on, buzzer off
//tekan switch - Led off, buzzer on