const int button=2;
const int led=12;
 int bs=0;
void setup() {
  // put your setup code here, to run once:

pinMode(led,OUTPUT);
pinMode(button,INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:


bs = digitalRead(button);
if(bs==HIGH)
{
digitalWrite(led,HIGH);
}
else{
  digitalWrite(led,LOW);
}
}