void setup() {
  // put your setup code here, to run once:
  pinMode(3, INPUT); //yellow button with 10kohm resistor
  pinMode(10, OUTPUT); //yellow LED

  pinMode(2, INPUT_PULLUP); //green button, no resistor
  pinMode(11, OUTPUT); //green LED
}

void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(2)==HIGH){
    digitalWrite(11, HIGH);
  }
  else {
    digitalWrite(11, LOW);
  }

  if (digitalRead(3)==HIGH){
    digitalWrite(10, HIGH);
  }
  else {
    digitalWrite(10, LOW);
  }
}