const int a=3 , b=4 , c=5 , d=6, e=7 , f=8 , g=9;

void setup() {
pinMode(3,OUTPUT);
pinMode(4,OUTPUT);
pinMode(5,OUTPUT);
pinMode(6,OUTPUT);
pinMode(7,OUTPUT);
pinMode(8,OUTPUT);
pinMode(9,OUTPUT);
pinMode(10, OUTPUT);
}

void loop() {
 digitalWrite(a, HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c, HIGH);
 digitalWrite(d,HIGH);
 digitalWrite(e, HIGH);
 digitalWrite(f,HIGH);
 digitalWrite(g,LOW);
 delay(1000);

 digitalWrite(a, LOW);
 digitalWrite(b,HIGH);
 digitalWrite(c, HIGH);
 digitalWrite(d,LOW);
 digitalWrite(e, LOW);
 digitalWrite(f,LOW);
 digitalWrite(g,LOW);
 delay(1000);

 digitalWrite(a, HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c, LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e, HIGH);
 digitalWrite(f,LOW);
 digitalWrite(g,HIGH);
 delay(1000);

 digitalWrite(a, HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c,HIGH);
 digitalWrite(d,HIGH);
 digitalWrite(e, LOW);
 digitalWrite(f,LOW);
 digitalWrite(g,HIGH);
 delay(1000);

  digitalWrite(a, LOW);
 digitalWrite(b,HIGH);
 digitalWrite(c,HIGH);
 digitalWrite(d,LOW);
 digitalWrite(e, LOW);
 digitalWrite(f,HIGH);
 digitalWrite(g,HIGH);
 delay(1000);

  digitalWrite(a, HIGH);
 digitalWrite(b,LOW);
 digitalWrite(c, HIGH);
 digitalWrite(d,HIGH);
 digitalWrite(e,LOW);
 digitalWrite(f,HIGH);
 digitalWrite(g,HIGH);
 delay(1000);

  digitalWrite(a, HIGH);
 digitalWrite(b,LOW);
 digitalWrite(c, HIGH);
 digitalWrite(d,HIGH);
 digitalWrite(e,HIGH);
 digitalWrite(f,HIGH);
 digitalWrite(g,HIGH);
 delay(1000);

 digitalWrite(a, HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c, HIGH);
 digitalWrite(d,LOW);
 digitalWrite(e,LOW);
 digitalWrite(f,LOW);
 digitalWrite(g,LOW);
 delay(1000);

 digitalWrite(a, HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c, HIGH);
 digitalWrite(d,HIGH);
 digitalWrite(e,HIGH);
 digitalWrite(f,HIGH);
 digitalWrite(g,HIGH);
 delay(1000);

 digitalWrite(a, HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c, HIGH);
 digitalWrite(d,HIGH);
 digitalWrite(e,LOW);
 digitalWrite(f,HIGH);
 digitalWrite(g,HIGH);
 delay(1000);
}