int l=5,s=9;
void setup() {
  // put your setup code here, to run once:
pinMode(l, OUTPUT);
pinMode(s,INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
if(digitalRead(s)==1)
{
  digitalWrite(l, HIGH);
}
else
{
  digitalWrite(l,LOW);
}
delay(1000);
}