byte a=2;byte b=3;byte c=4;byte d=5;byte e=6;byte f=7;byte g=8;
void setup() {
  // put your setup code here, to run once:
  pinMode(a,OUTPUT);
  pinMode(b,OUTPUT);
  pinMode(c,OUTPUT);
  pinMode(d,OUTPUT);
  pinMode(e,OUTPUT);
  pinMode(f,OUTPUT);
  pinMode(g,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  //1
  digitalWrite(b,HIGH);
  digitalWrite(c,HIGH);
  digitalWrite(a,LOW);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW);
  delay(1000);
  //2
  digitalWrite(a,HIGH);digitalWrite(b,HIGH);digitalWrite(g,HIGH);digitalWrite(e,HIGH);digitalWrite(d,HIGH);
  digitalWrite(f,LOW);digitalWrite(c,LOW);
  delay(1000);
  //3
  digitalWrite(a,HIGH);digitalWrite(b,HIGH);digitalWrite(g,HIGH);digitalWrite(c,HIGH);digitalWrite(d,HIGH);
  digitalWrite(f,LOW);digitalWrite(e,LOW);
  delay(1000);
  //4
  digitalWrite(f,HIGH);digitalWrite(b,HIGH);digitalWrite(g,HIGH);digitalWrite(c,HIGH);
  digitalWrite(a,LOW);digitalWrite(e,LOW);digitalWrite(d,LOW);
  delay(1000);
  //5
  digitalWrite(a,HIGH);digitalWrite(f,HIGH);digitalWrite(g,HIGH);digitalWrite(c,HIGH);digitalWrite(d,HIGH);
  digitalWrite(b,LOW);digitalWrite(e,LOW);
  delay(1000);
  //6
  digitalWrite(a,HIGH);digitalWrite(f,HIGH);digitalWrite(g,HIGH);digitalWrite(e,HIGH);digitalWrite(d,HIGH);digitalWrite(c,HIGH);
  digitalWrite(b,LOW);
  delay(1000);
  //7
  digitalWrite(a,HIGH);digitalWrite(b,HIGH);digitalWrite(c,HIGH);
  digitalWrite(f,LOW);digitalWrite(g,LOW);digitalWrite(e,LOW);digitalWrite(d,LOW);
  delay(1000);
  //8
  digitalWrite(a,HIGH);digitalWrite(b,HIGH);digitalWrite(c,HIGH);digitalWrite(d,HIGH);digitalWrite(e,HIGH);digitalWrite(f,HIGH);digitalWrite(g,HIGH);
  delay(1000);
  //9
  digitalWrite(a,HIGH);digitalWrite(b,HIGH);digitalWrite(c,HIGH);digitalWrite(d,HIGH);digitalWrite(f,HIGH);digitalWrite(g,HIGH);
  digitalWrite(e,LOW);
  delay(1000);
  //10 o 0
  digitalWrite(a,HIGH);digitalWrite(b,HIGH);digitalWrite(c,HIGH);digitalWrite(d,HIGH);digitalWrite(e,HIGH);digitalWrite(f,HIGH);
  digitalWrite(g,LOW);
  delay(1000);
}