#define s  2
#define r 13

void setup() {
  // put your setup code here, to run once:
pinMode(s, INPUT);
pinMode (r,OUTPUT);

}
void loop() {
  // put your main code here, to run repeatedly:
  int p = digitalRead(s);
if(p==0)
{
  digitalWrite(r,LOW);
}
else
{
  digitalWrite(r,HIGH);
}
delay(1000);
}