#define LED 13
void setup() {
  // put your setup code here, to run once:
 pinMode(5, INPUT_PULLUP);
  pinMode(LED, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
if(digitalRead(5) == LOW){
  digitalWrite(LED, HIGH);
  }
  else   {
    digitalWrite(LED, LOW);
 
  }
}