const int pinol=18;
const int soso=17;
const int pinal=21;
void setup() {
pinMode(pinal, OUTPUT);
pinMode(pinol,OUTPUT);
pinMode(soso, INPUT_PULLUP);
}

void loop() { 
 PREGUNTAR:; 
{while(digitalRead(soso) == HIGH);
for(int f=1;f<5;f++) 
 {digitalWrite(pinol,LOW);
delay(200);
digitalWrite(pinol, HIGH);
delay(200);
digitalWrite(pinol, LOW);
}
for(int f=1;f<4;f++)
 {digitalWrite(pinal,LOW);
delay(200);
digitalWrite(pinal, HIGH);
delay(300);
digitalWrite(pinal, LOW);
}
goto PREGUNTAR;
  
}
}