Project 3 Arduino Code

int btY = 10;
int btR = 13;
int ledY = 7;
int ledR = 8;

int btYState = 0;
int btRState = 0;
int btYCounter = 0;
int btYCounter_old = 0;
int btRCounter = 0;
int btRCounter_old = 0;

long lastChange1;
int blinkRate1 = 200;
boolean ledState1;
long lastChange2;
int blinkRate2 = 200;
boolean ledState2;

void setup()
{
  Serial.begin(9600);

  pinMode(ledR, OUTPUT);
  pinMode(ledY, OUTPUT);
  pinMode(btR, INPUT);
  pinMode(btY, INPUT);
}

void loop()
{
  btYCounter = digitalRead(btY);
  btRCounter = digitalRead(btR);

  if((btYCounter == HIGH) && (btYCounter_old == LOW))
  {
    digitalWrite(ledY, HIGH);
    digitalWrite(ledR, LOW);
    Serial.println("11");
    Serial.println(btYCounter);
  }
  if((btRCounter == HIGH) && (btRCounter_old == LOW))
  {
    digitalWrite(ledR, HIGH);
    digitalWrite(ledY, LOW);
    Serial.println("22");
    Serial.println(btRCounter);
  }

  btRCounter_old = btRCounter;
  btYCounter_old = btYCounter;

  if(btRCounter == HIGH)
  {
    if(millis()-lastChange1 > blinkRate1)
    {
      ledState1 = !ledState1;
      lastChange1 = millis();
      Serial.println("222");
    }
  }
  if(btYCounter == HIGH)
  {
    if(millis()-lastChange2 > blinkRate2)
    {
      ledState2 = !ledState2;
      lastChange2 = millis();
      Serial.println("111");
    }
  }
}