int button=13;
int led=12;
void setup() {
  // put your setup code here, to run once:
pinMode(button, INPUT);
pinMode(led, OUTPUT);
Serial.begin(9600);
}
void loop() {
  // put your main code here, to run repeatedly:
int mode = digitalRead(button);
Serial.println(mode);
if (mode == HIGH){
digitalWrite(led, HIGH);
}
else {
digitalWrite (led, LOW);
}
}