#define led 12 
#define sw 11
void setup() {
  // put your setup code here, to run once:
  pinMode(led , OUTPUT);
  pinMode(sw , INPUT);
}

void loop() {
  boolean i = digitalRead(sw);
  if (i ==1 ){
    digitalWrite(led , HIGH);

  }else{
    digitalWrite(led, LOW);
  }
  // put your main code here, to run repeatedly:

}