int RED = 6;
int ORANGE = 5;
int YELLOW = 4;
int GREEN = 3;
int BLUE = 2;
int VIOLET = 1;
int BUZZER = 0;

void setup()
{
pinMode(RED, OUTPUT);
 pinMode(ORANGE, OUTPUT);
 pinMode(YELLOW, OUTPUT);
 pinMode(GREEN, OUTPUT);
 pinMode(BLUE, OUTPUT);
 pinMode(VIOLET, OUTPUT);
 pinMode(BUZZER, OUTPUT);
 
}

void loop() 
{
 digitalWrite(RED, HIGH);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,294);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, HIGH);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, HIGH);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, HIGH);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(200);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, HIGH);
 tone(BUZZER,330);
 delay(200);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, HIGH);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,294);
 delay(200);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, HIGH);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,262);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,262);
 delay(200);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, HIGH);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,262);
 delay(400);

digitalWrite(RED, HIGH);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,262);
 delay(200);

digitalWrite(RED, HIGH);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,294);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, HIGH);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,294);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,262);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, HIGH);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,494);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, HIGH);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,440);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, HIGH);
 tone(BUZZER,440);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, HIGH);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(200);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, HIGH);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(200);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, HIGH);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(400);

digitalWrite(RED, HIGH);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,392);
 delay(400);

digitalWrite(RED, HIGH);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,392);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, HIGH);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,262);
 delay(200);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, HIGH);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,262);
 delay(200);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, HIGH);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,294);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, HIGH);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,330);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, LOW);
 digitalWrite(VIOLET, HIGH);
 tone(BUZZER,294);
 delay(400);

digitalWrite(RED, LOW);   //
 digitalWrite(ORANGE, LOW);
 digitalWrite(YELLOW, LOW);
 digitalWrite(GREEN, LOW);
 digitalWrite(BLUE, HIGH);
 digitalWrite(VIOLET, LOW);
 tone(BUZZER,262);
 delay(400);

}