const int pinLed = 8;
const int pinPB = 7;
void setup() {
  pinMode(pinPB, INPUT);
  pinMode(pinLed, OUTPUT);// put your setup code here, to run once:
}

void loop() {
  int PBState = digitalRead(pinPB);

  if (PBState == HIGH) {
    digitalWrite(pinLed, HIGH);
  }
  else {
    digitalWrite(pinLed, LOW);
  }
}