#define a 2
#define b 3
#define c 4
#define d 5
#define e 6
#define f 7
#define g 8
void setup(){
  pinMode(a,OUTPUT);
  pinMode(b,OUTPUT);
  pinMode(c,OUTPUT);
  pinMode(d,OUTPUT);
  pinMode(e,OUTPUT);
  pinMode(f,OUTPUT);
  pinMode(g,OUTPUT);
}
void loop(){
  //0
  digitalWrite(a,HIGH);
   digitalWrite(b,HIGH);
    digitalWrite(c,HIGH);
     digitalWrite(d,HIGH);
      digitalWrite(e,HIGH);
       digitalWrite(f,HIGH);
        digitalWrite(g,LOW);

delay(2000);
//1
digitalWrite(a,LOW);
   digitalWrite(b,HIGH);
    digitalWrite(c,HIGH);
     digitalWrite(d,LOW);
      digitalWrite(e,LOW);
       digitalWrite(f,LOW);
        digitalWrite(g,LOW);
        delay(2000);
    //2    
digitalWrite(a,HIGH);
   digitalWrite(b,HIGH);
    digitalWrite(c,LOW);
     digitalWrite(d,HIGH);
      digitalWrite(e,HIGH);
       digitalWrite(f,LOW);
        digitalWrite(g,HIGH);
delay(2000);
//3
digitalWrite(a,HIGH);
   digitalWrite(b,HIGH);
    digitalWrite(c,HIGH);
     digitalWrite(d,HIGH);
      digitalWrite(e,LOW);
       digitalWrite(f,LOW);
        digitalWrite(g,HIGH);
        delay(2000);
//4
digitalWrite(a,LOW);
   digitalWrite(b,HIGH);
    digitalWrite(c,HIGH);
     digitalWrite(d,LOW);
      digitalWrite(e,LOW);
       digitalWrite(f,HIGH);
        digitalWrite(g,HIGH);
        delay(2000);
        //5
        digitalWrite(a,HIGH);
   digitalWrite(b,LOW);
    digitalWrite(c,HIGH);
     digitalWrite(d,HIGH);
      digitalWrite(e,LOW);
       digitalWrite(f,HIGH);
        digitalWrite(g,HIGH);
delay(2000);
//6
digitalWrite(a,HIGH);
   digitalWrite(b,LOW);
    digitalWrite(c,HIGH);
     digitalWrite(d,HIGH);
      digitalWrite(e,HIGH);
       digitalWrite(f,HIGH);
        digitalWrite(g,HIGH);
delay(2000);
//7
digitalWrite(a,HIGH);
   digitalWrite(b,HIGH);
    digitalWrite(c,HIGH);
     digitalWrite(d,LOW);
      digitalWrite(e,LOW);
       digitalWrite(f,LOW);
        digitalWrite(g,LOW);
delay(2000);
}