void setup()
{
  pinMode(5, OUTPUT);
  pinMode(14, INPUT);
Serial.begin(9600);
}

void loop()
{
int x=digitalRead(14);
if(x==0)
{
  digitalWrite(5, LOW);
Serial.println("switch OFF");
}
else{
{
  digitalWrite(5, HIGH);
Serial.println("switch ON");
}
}

}