const int analogInPin0 = 0;  // Analog input pin that the potentiometer is attached to
const int analogInPin1 = 3;  // Analog input pin that the potentiometer is attached to

int sensorValue = 0;        // value read from the pot
int flag0 = 0;
int flag1 = 0;

void setup() {
  // initialize serial communications at 9600 bps:
  Serial.begin(9600); 
}

void loop() {
  // read the analog in value:
  sensorValue = analogRead(analogInPin0);       
  if ((sensorValue>200)&&(!flag0))
  {
    flag0=1;
    Serial.print(11,BYTE);
    delay(200);
    Serial.print(10,BYTE);
  }
  else if ((sensorValue<200)&&(flag0))
  {
        flag0=0;
        //Serial.print(11,BYTE);
  }
  
  sensorValue = analogRead(analogInPin1);       
  if ((sensorValue>200)&&(!flag1))
  {
    flag1=1;
    Serial.print(21,BYTE);
    delay(200);
    Serial.print(20,BYTE);
  }
  else if ((sensorValue<200)&&(flag1))
  {
        flag1=0;
        //Serial.print(21,BYTE);
  }
  
  delay(10);                     
}