#define ledH 13
#define ledB 12
#define ledM 11
#define  tombol 7

int status = 0;     

void setup() 
{
   pinMode(ledH, OUTPUT);
   pinMode(ledB, OUTPUT);
   pinMode(ledM, OUTPUT);
   pinMode(tombol, INPUT);

   digitalWrite(ledH, LOW);
   digitalWrite(ledB, LOW);
   digitalWrite(ledM, LOW);
}
 
void loop() 
{ 

   if (digitalRead(tombol) == HIGH) {
      status++;
      delay(100);
   } 

   if (status == 1) {
      digitalWrite(ledH, HIGH);
   }
   else if (status == 2){
      digitalWrite(ledB, HIGH);
   }
   else if (status == 3){
      digitalWrite(ledM, HIGH);
   }
   else if (status == 4){
      status = 0;
   }
   else{
      digitalWrite(ledH, LOW);
      digitalWrite(ledB, LOW);
      digitalWrite(ledM, LOW);
   }
}