const int ledR = 8;
const int ledY = 9;
const int ledG = 10;
const int ledP = 11;
const int buzz = 1;
const int btnR = 12;
const int btnY = 7;
const int btnG = 6;
const int btnP = 5;
const int btnB = 0;
int val = 0;

void setup() {
  pinMode(ledR, OUTPUT);
  pinMode(ledP,OUTPUT);
  pinMode(ledG, OUTPUT);
  pinMode(ledY, OUTPUT);
  pinMode(buzz, OUTPUT);
  pinMode(btnR, INPUT_PULLUP);
  pinMode(btnG, INPUT_PULLUP);
  pinMode(btnY, INPUT_PULLUP);
  pinMode(btnP, INPUT_PULLUP);
  pinMode(btnB, INPUT_PULLUP);
  // put your setup code here, to run once:

}

void loop() {
  
  if(digitalRead(btnR)==LOW)
  {
    digitalWrite(ledR, HIGH);
    digitalWrite(ledY, LOW);
    digitalWrite(ledG, LOW);
    digitalWrite(ledP, LOW);
    val = 500;
    tone(buzz,val,250);
  }
  else if(digitalRead(btnG)==LOW)
  {
    digitalWrite(ledG, HIGH);
    digitalWrite(ledY, LOW);
    digitalWrite(ledR, LOW);
    digitalWrite(ledP, LOW);
    val = 1000;
    tone(buzz,val,250);
  }
  else if(digitalRead(btnY)==LOW)
  {
    digitalWrite(ledY, HIGH);
    digitalWrite(ledR, LOW);
    digitalWrite(ledG, LOW);
    digitalWrite(ledP, LOW);
    val = 1500;
    tone(buzz,val,250);
  }
  else if(digitalRead(btnP)==LOW)
  {
    digitalWrite(ledP, HIGH);
    digitalWrite(ledY, LOW);
    digitalWrite(ledG, LOW);
    digitalWrite(ledR, LOW);
    val = 2000;
    tone(buzz,val,250);
  }
  else if(digitalRead(btnB)==LOW)
  {
    digitalWrite(ledR, HIGH);
    digitalWrite(ledP, HIGH);
    digitalWrite(ledG, HIGH);
    digitalWrite(ledY, HIGH);
    val = 700;
    tone(buzz,val,250);
  }
  // put your main code here, to run repeatedly:

}