#define BLUE 5
#define RED 4
#define BUTTON 14


void setup() {
  //Serial.begin(115200);
 pinMode(BLUE, OUTPUT);
 pinMode(RED, OUTPUT);
 pinMode(BUTTON, INPUT_PULLUP);
}

void loop() {



digitalWrite(RED, HIGH);
for(int i =0;i<1000;i++){
  toggle();
    delay(1);
 }

 digitalWrite(RED, LOW);
 for(int i =0;i<1000;i++){
  toggle();
   delay(1);
  }
}

void toggle(){
  if(digitalRead(BUTTON)==LOW){
  while(digitalRead(BUTTON)==LOW){
  delay(25);
 }
 digitalWrite(BLUE, !digitalRead(BLUE));
}
}