int redCounter = 0;
int greenCounter = 0;
int yellowCounter = 0;

void setup() {
  Serial.begin(9600);
  pinMode (0, INPUT_PULLUP);
  pinMode (1, INPUT_PULLUP);
  pinMode (2, INPUT_PULLUP);
  pinMode (3, INPUT_PULLUP);
  pinMode (5, OUTPUT);
  pinMode (6, OUTPUT);
  pinMode (7, OUTPUT);

}

void loop() {
  if (digitalRead(1) == LOW) {
    digitalWrite(5, HIGH);
    redCounter++;
    Serial.print("The RED LED was turned on ");
    Serial.print(redCounter);
    Serial.println(" times.");
    delay(300);
  }

  if (digitalRead(2) == LOW) {
    digitalWrite(6, HIGH);
    greenCounter++;
    Serial.print("The GREEN LED was turned on ");
    Serial.print(greenCounter);
    Serial.println(" times.");
    delay(300);
  }

  if (digitalRead(3) == LOW) {
    digitalWrite(7, HIGH);
    yellowCounter++;
    Serial.print("The YELLOW LED was turned on ");
    Serial.print(yellowCounter);
    Serial.println(" times.");
    delay(300);
  }

  if (digitalRead(0) == LOW){
    digitalWrite(5, LOW);
    digitalWrite(6, LOW);
    digitalWrite(7, LOW);

    redCounter = 0;
    greenCounter = 0;
    yellowCounter = 0;
    Serial.println("The reset button is pressed");
    delay(300);
  }

}