void setup() {

  Serial.begin(9600);
 pinMode(27, INPUT);
 pinMode(12, OUTPUT);
 pinMode(13, OUTPUT);
 pinMode(26, OUTPUT);
 pinMode(33, OUTPUT);
 pinMode(25, OUTPUT);
}
int LED = 0; 
void loop() {
Serial.println(LED);
if (digitalRead(27)==1)
     {
       LED=LED+1;
       delay(300);
     }
 if (LED==1)
 {
     digitalWrite(12, HIGH);
     digitalWrite(13, HIGH);
     digitalWrite(26, HIGH);
     digitalWrite(33, LOW);
     digitalWrite(25, HIGH);
 }
if (LED==2) 
{
    digitalWrite(12, HIGH);
    digitalWrite(13,  HIGH);
    digitalWrite(26, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
}     
if (LED==3)
{
    digitalWrite(12, HIGH);
    digitalWrite(13, LOW);
    digitalWrite(26, LOW);
    digitalWrite(33, HIGH);
    digitalWrite(25, LOW); 
}
if (LED==4)
   {
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);
    digitalWrite(26, LOW);
    digitalWrite(33, HIGH);
    digitalWrite(25, HIGH);
   }
  if (LED==5) 
  { 
    digitalWrite(12, HIGH);
    digitalWrite(13, LOW);
    digitalWrite(26, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    }
  if (LED==6) 
  {
      digitalWrite(12, LOW);
    digitalWrite(13, LOW);
    digitalWrite(26, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW); 
    LED=0;
    
        
  }
}