/**
   Simon Game for Arduino with Score display

   Copyright (C) 2022, Uri Shaked

   Released under the MIT License.
*/

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(7,OUTPUT);
pinMode(8,OUTPUT);
pinMode(9,OUTPUT);
}
String d;

void loop() {
  d=Serial.readString();
for(int i; i>=7 && i<=9; i++){
	if (d="on") {
	digitalWrite(i,1);
	delay(10);
      digitalWrite(i,0);
}
}
}