void setup() {
pinMode(7, OUTPUT);
pinMode(6, OUTPUT);
pinMode(5, OUTPUT);
pinMode(2, INPUT_PULLUP);
}

void loop() {
  if(digitalRead(2>50)==LOW)
  {digitalWrite(7, HIGH);}
  else{digitalWrite(6, LOW);
  digitalWrite(5, LOW);}
  delay(1000);

  if(digitalRead(2<0)==LOW)
  {digitalWrite(6, HIGH);}
  else{digitalWrite(7, LOW);
  digitalWrite(5, LOW);}
  delay(1000);}