void setup() {
pinMode(10, INPUT_PULLUP);
Serial.begin(9600);
}

void loop() {
    Serial.println(digitalRead(10));
if(digitalRead(10) == 0)
{
  for(int i = 0; i < 255; i++){
    Serial.println(digitalRead(10));
    analogWrite(3, i);
    delay(3);
  }

  for(int t = 0; t < 3; t++){
   for(int i = 0; i < 100; i++){
    Serial.println(digitalRead(10));
    analogWrite(3, (255 - i));
    delay(15);
  }
  for(int i = 0; i < 100; i++){
    Serial.println(digitalRead(10));
    analogWrite(3, (155 + i));
    delay(15);
  }
  }

  for(int i = 0; i < 255; i++){
    Serial.println(digitalRead(10));
    analogWrite(3, (255 - i));
    delay(20);
  }
}



}