const int ButtonPin1 = 2;
const int delayLED = 2000;
const int LEDPin1 = 3;
const int ButtonPin2 = 4;
const int LEDPin2 = 5;

int RedButtonStatus = 0;
int RedlightStatus = 0;
int Redpushed = 0;

int YellowButtonStatus = 0;
int YellowlightStatus = 0;
int Yellowpushed = 0;

void setup() {
  // Red
  pinMode(ButtonPin1, INPUT_PULLUP);
  pinMode(LEDPin1, OUTPUT);

  Serial.begin(9600);
  Serial.println("saisai pressed RED button");

  // Yellow
  pinMode(ButtonPin2, INPUT_PULLUP);
  pinMode(LEDPin2, OUTPUT);

  Serial.begin(9600);
  Serial.println("saisai pressed YELLOW button");
}

void loop() {
  //red;
  RedButtonStatus = digitalRead(ButtonPin1);
  Serial.println(RedButtonStatus);
  if (RedButtonStatus == HIGH && RedlightStatus == LOW) {

    Redpushed ^= 1;
    delay(100);
  }
  RedlightStatus = RedButtonStatus;

  if (Redpushed == HIGH) {
    Serial.println("RED LIGHT ON");
    digitalWrite(LEDPin1, HIGH);
  }
  else {
    Serial.println("RED LIGHT OFF");
    digitalWrite(LEDPin1, LOW);
  }
  //yellow;
  YellowButtonStatus = digitalRead(ButtonPin2);
  Serial.println(YellowButtonStatus);
  if (YellowButtonStatus == HIGH && YellowlightStatus == LOW) {

    Yellowpushed ^= 1;
    delay(100);
  }
  YellowlightStatus = YellowButtonStatus;

  if (Yellowpushed == HIGH) {
    Serial.println("YELLOW LIGHT ON");
    digitalWrite(LEDPin2, HIGH);
  }
  else {
    Serial.println("YELLOW LIGHT OFF");
    digitalWrite(LEDPin2, LOW);
  }
}