void setup()
{
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, INPUT);
  Serial.begin(9600);
  // put your setup code here, to run once:
}
int i;
bool a;
void loop()
{
  digitalWrite(5, HIGH);
Serial.println(analogRead(0))
  if (digitalRead(6) == HIGH && a == false)
  {
    Serial.println("high")
    for (i = 0; i < 10; i++)
    {
      digitalWrite(2, HIGH);
      delayMicroseconds(525);
      digitalWrite(2, LOW);
      delayMicroseconds(19475);
    }
    a = true;
    digitalWrite(4, LOW);
    digitalWrite(3, HIGH);
  }
  else if (digitalRead(6) == HIGH && a == true)
  {
    Serial.println("high")
    for (i = 0; i < 10; i++)
    {
      digitalWrite(2, HIGH);
      delayMicroseconds(900);
      digitalWrite(2, LOW);
      delayMicroseconds(19100);
    }
    a = false;
    digitalWrite(4, LOW);
    digitalWrite(3, HIGH);
  }
  else
  {
    Serial.println("low")
    digitalWrite(4, LOW);
    digitalWrite(3, LOW);
  }
  // put your main code here, to run repeatedly:
}