const int pinLed1 = 5;
const int pinLed2 = 6;
const int pinLed3 = 7;
const int pinLed4 = 8;
const int pinLed5 = 9;
const int pinLed6 = 10;
const int pinLed7 = 11;

void setup() {
  pinMode(pinLed1,OUTPUT);
  pinMode(pinLed2,OUTPUT);
  pinMode(pinLed3,OUTPUT);
  pinMode(pinLed4,OUTPUT);
  pinMode(pinLed5,OUTPUT);
  pinMode(pinLed6,OUTPUT);
  pinMode(pinLed7,OUTPUT);
}

void loop() {
  zero();
  delay(1000);
  one();
  delay(1000);
  two();
  delay(1000);
  three();
  delay(1000);
  four();
  delay(1000);
  five();
  delay(1000);
  six();
  delay(1000);
  seven();
  delay(1000);
  eigh();
  delay(1000);
  nine();
  delay(1000);
}

void zero(){
  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, HIGH);
  digitalWrite(pinLed5, HIGH);
  digitalWrite(pinLed6, HIGH);
  digitalWrite(pinLed7, LOW); 
}
void one(){
  digitalWrite(pinLed1, LOW);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, LOW);
  digitalWrite(pinLed5, LOW);
  digitalWrite(pinLed6, LOW);
  digitalWrite(pinLed7, LOW); 
} 
void two(){
  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, LOW);
  digitalWrite(pinLed4, HIGH);
  digitalWrite(pinLed5, HIGH);
  digitalWrite(pinLed6, LOW);
  digitalWrite(pinLed7, HIGH); 
}
void three(){
  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, HIGH);
  digitalWrite(pinLed5, LOW);
  digitalWrite(pinLed6, LOW);
  digitalWrite(pinLed7, HIGH); 
}
void four(){
  digitalWrite(pinLed1, LOW);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, LOW);
  digitalWrite(pinLed5, LOW);
  digitalWrite(pinLed6, HIGH);
  digitalWrite(pinLed7, HIGH); 
}
void five(){
  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, LOW);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, HIGH);
  digitalWrite(pinLed5, LOW);
  digitalWrite(pinLed6, HIGH);
  digitalWrite(pinLed7, HIGH); 
}
void six(){
  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, LOW);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, HIGH);
  digitalWrite(pinLed5, HIGH);
  digitalWrite(pinLed6, HIGH);
  digitalWrite(pinLed7, HIGH); 
}
void seven(){
  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, LOW);
  digitalWrite(pinLed5, LOW);
  digitalWrite(pinLed6, LOW);
  digitalWrite(pinLed7, LOW); 
}
void eigh(){
  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, HIGH);
  digitalWrite(pinLed5, HIGH);
  digitalWrite(pinLed6, HIGH);
  digitalWrite(pinLed7, HIGH); 
}
void nine(){
  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, HIGH);
  digitalWrite(pinLed4, HIGH);
  digitalWrite(pinLed5, LOW);
  digitalWrite(pinLed6, HIGH);
  digitalWrite(pinLed7, HIGH); 
}