void setup() {
  // put your setup code here, to run once:
pinMode(2,INPUT);
pinMode(3,INPUT);
pinMode(4,INPUT);
pinMode(5,INPUT);
pinMode(8,OUTPUT);
pinMode(9,OUTPUT);
pinMode(10,OUTPUT);
pinMode(11,OUTPUT);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
digitalWrite(10,LOW);
digitalWrite(11,LOW);
}

void loop() {
  // put your main code here, to run repeatedly:
if(digitalRead(2)==HIGH)
{
  while(digitalRead(2)==HIGH)
  {
  digitalWrite(8,HIGH);
  digitalWrite(9,LOW);
  digitalWrite(10,HIGH);
  digitalWrite(11,LOW);
  }
}
else if(digitalRead(3)==HIGH)
{
  while(digitalRead(3)==HIGH)
  {
 digitalWrite(8,LOW);
  digitalWrite(9,HIGH);
  digitalWrite(10,LOW);
  digitalWrite(11,HIGH);
}
}
else if(digitalRead(4)==HIGH)
{
  while(digitalRead(4)==HIGH)
  {
   digitalWrite(8,HIGH);
  digitalWrite(9,LOW);
  digitalWrite(10,LOW);
  digitalWrite(11,LOW); 
  }
}
else if(digitalRead(5)==HIGH)
{
  while(digitalRead(5)==HIGH)
  {
   digitalWrite(8,LOW);
  digitalWrite(9,LOW);
  digitalWrite(10,HIGH);
  digitalWrite(11,LOW); 
  }
}
else
{
  digitalWrite(8,LOW);
  digitalWrite(9,LOW);
  digitalWrite(10,LOW);
  digitalWrite(11,LOW);
}
}