int led=8;
int s=6;
void setup() 
{
pinMode(led, OUTPUT);
pinMode(s, INPUT_PULLUP);
Serial.begin(9600);
}

void loop() 
{
int status= digitalRead(s);
Serial.println(status);
if (status==HIGH)
{
digitalWrite(led, LOW);
Serial.println("LED IS OFF");
}
else
{
digitalWrite(led,HIGH);
Serial.println("LED IS ON");
}
}