int button0 = 6;
int button1 = 5;
int LED0 = 7; 
int LED1 =8;
int buttonstatus=0;
int buttonstatus1=2;


void setup() {
pinMode(LED0, OUTPUT);
pinMode(LED1, OUTPUT);
pinMode(button0, INPUT);
pinMode(button1, INPUT);
}

void loop() {
  buttonstatus = digitalRead (button0);

  if (buttonstatus==HIGH)
{
digitalWrite(LED0, HIGH);
digitalWrite(LED1, LOW);
delay(600);
digitalWrite(LED0, LOW);
digitalWrite(LED1, HIGH);
delay(600);
}

else
{
  digitalWrite(LED0, LOW);
  digitalWrite(LED1, LOW);
}

buttonstatus = digitalRead (button1);
 if (buttonstatus==HIGH)
{
digitalWrite(LED0, HIGH);
digitalWrite(LED1, HIGH);
delay(600);
digitalWrite(LED0, LOW);
digitalWrite(LED1, LOW);
delay(600);
}

else
{
  digitalWrite(LED0, LOW);
  digitalWrite(LED1, LOW);
}

}