int ledBLUE=27;
int ledGREEN=26;
int ledRED=25;

int button=33;

void setup() {
  // put your setup code here, to run once:
  pinMode(ledRED, OUTPUT);
  pinMode(ledGREEN, OUTPUT);
  pinMode(ledBLUE, OUTPUT);

  pinMode(button, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  //digitalWrite(ledBLUE, HIGH);
  
  if (digitalRead(button) == HIGH) {
    analogWrite(ledRED, 0);
    analogWrite(ledBLUE, 100);
    analogWrite(ledGREEN, 0);
  } else if (digitalRead(button) == LOW) {
    analogWrite(ledBLUE, 0);
    analogWrite(ledRED, 100);
    analogWrite(ledGREEN, 0);
  }
  
}