void setup()
{
   pinMode(0,OUTPUT); 
   pinMode(1,OUTPUT); 
   pinMode(2,OUTPUT); 
   pinMode(3,OUTPUT); 
   pinMode(4,OUTPUT); 
   pinMode(5,OUTPUT); 
   pinMode(6,OUTPUT); 
   pinMode(7,OUTPUT); 
 }
void loop() 
{
  
 digitalWrite(0, HIGH);  
 digitalWrite(1, LOW);  
 digitalWrite(2, LOW);  
 digitalWrite(3, HIGH);  
 digitalWrite(4, HIGH);  
 digitalWrite(5, HIGH);  
 digitalWrite(6, HIGH); 
 digitalWrite(7, LOW);  
	delay(1000);    
 digitalWrite(0, LOW);  
 digitalWrite(1, LOW);  
 digitalWrite(2, HIGH);  
 digitalWrite(3, LOW);  
 digitalWrite(4, LOW); 
 digitalWrite(5, HIGH); 
 digitalWrite(6, LOW); 
 digitalWrite(7, LOW);  
	delay(1000);    
  digitalWrite(0, LOW);  
 digitalWrite(1, LOW);  
 digitalWrite(2, HIGH);  
 digitalWrite(3, LOW);  
 digitalWrite(4, LOW); 
 digitalWrite(5, HIGH); 
 digitalWrite(6, LOW); 
 digitalWrite(7, LOW);  
	delay(1000);    
  digitalWrite(0, LOW);  
 digitalWrite(1, LOW);  
 digitalWrite(2, HIGH);  
 digitalWrite(3, LOW);  
 digitalWrite(4, LOW); 
 digitalWrite(5, HIGH); 
 digitalWrite(6, LOW); 
 digitalWrite(7, LOW);  
	delay(1000);    
  digitalWrite(0, LOW);  
 digitalWrite(1, LOW);  
 digitalWrite(2, LOW);  
 digitalWrite(3, LOW);  
 digitalWrite(4, LOW); 
 digitalWrite(5, LOW); 
 digitalWrite(6, LOW); 
 digitalWrite(7, HIGH);  
	delay(1000);    
  digitalWrite(0, LOW);  
 digitalWrite(1, LOW);  
 digitalWrite(2, LOW);  
 digitalWrite(3, LOW);  
 digitalWrite(4, LOW); 
 digitalWrite(5, LOW); 
 digitalWrite(6, LOW); 
 digitalWrite(7, LOW);  
	delay(1000);
  digitalWrite(0, LOW);  
 digitalWrite(1, LOW);  
 digitalWrite(2, LOW);  
 digitalWrite(3, LOW);  
 digitalWrite(4, HIGH); 
 digitalWrite(5, HIGH); 
 digitalWrite(6, LOW); 
 digitalWrite(7, LOW);  
	delay(1000);  
  digitalWrite(0, LOW);  
 digitalWrite(1, LOW);  
 digitalWrite(2, HIGH);  
 digitalWrite(3, LOW);  
 digitalWrite(4, LOW); 
 digitalWrite(5, HIGH); 
 digitalWrite(6, LOW); 
 digitalWrite(7, LOW);  
	delay(1000);  

}