int ledR = 11;
int ledG = 12;
int ledB = 13;
String data;

void setup() {
  Serial.begin(9600);
  pinMode(ledR, OUTPUT);
  pinMode(ledG, OUTPUT);
  pinMode(ledB, OUTPUT);
  digitalWrite(ledG, LOW);
  digitalWrite(ledR, LOW);
  digitalWrite(ledB, LOW);
  delay(1000);
}
void loop() {
  while (Serial.available() > 0) {
    delay(100);
    char data = Serial.read();
    //   data+=c;
    Serial.println(data);
    if (data == '1') {
      digitalWrite(ledR, HIGH);
    }
    else if (data == '2') {
      digitalWrite(ledG, HIGH);
    }
    else if (data == '3') {
      digitalWrite(ledB, HIGH);
    }
    else if (data == '4') {
      digitalWrite(ledR, LOW);
    }
    else if (data == '5') {
      digitalWrite(ledG, LOW);
    }
    else if (data == '6') {
      digitalWrite(ledB, LOW);

    }
  }
}