const int buttonPin = 12;
int oldValue = LOW; 

void setup() 
{
  Serial.begin(115200);
  Serial.println("Press the button.");
  pinMode(buttonPin, INPUT);
  pinMode(8, OUTPUT);
  pinMode(4, OUTPUT);
}

void loop() 
{

  int newValue = digitalRead(buttonPin);
  if(newValue != oldValue)
  {
    if(newValue == HIGH)
    {
      for(int i=0,i<100,i++)
      
    }
    {
      Serial.println("The button is pressed.");
      tone(8,260);
      delay(700);
      noTone(8);
      delay(700);
      digitalWrite(4, HIGH);
      delay(700);
      digitalWrite(4,LOW);
      delay(100);
      tone(8,520);
      delay(700);
      noTone(8);
      digitalWrite(4, HIGH);
      delay(700);
      digitalWrite(4, LOW);
    }
    else
    {
      Serial.println("The button is released.");
    }
    oldValue = newValue;
  }

  delay(100);
}