#define segA 2
#define segB 3
#define segC 4
#define segD 5
#define segE 6
#define segF 7
#define segG 8

#define sega 22
#define segb 23
#define segc 24
#define segd 25
#define sege 26
#define segf 27
#define segg 28
#define buttonINC 9 
#define buttonDEC 10
void zero(){
  
for(int x = 2 ; x<=7 ; x++){
  digitalWrite(x , HIGH);
}
digitalWrite(segG , LOW);
}

void one(){
  
  digitalWrite(segA , LOW);
  digitalWrite(segB , HIGH);
  digitalWrite(segC , HIGH);
for(int i = 5 ; i<= 8 ; i++){
  digitalWrite(i , LOW);
}
}
void two(){

digitalWrite(segA , HIGH);
digitalWrite(segB , HIGH);
digitalWrite(segG , HIGH);
digitalWrite(segE , HIGH);
digitalWrite(segD , HIGH);
digitalWrite(segC , LOW);
digitalWrite(segF , LOW);
}
void three(){

digitalWrite(segA , HIGH);
digitalWrite(segB , HIGH);
digitalWrite(segG , HIGH);
digitalWrite(segE , LOW);
digitalWrite(segD , HIGH);
digitalWrite(segC , HIGH);
digitalWrite(segF , LOW);


}
void four(){

digitalWrite(segA , LOW);
digitalWrite(segB , HIGH);
digitalWrite(segG , HIGH);
digitalWrite(segE , LOW);
digitalWrite(segD , LOW);
digitalWrite(segC , HIGH);
digitalWrite(segF , HIGH);

}
void five(){

digitalWrite(segA , HIGH);
digitalWrite(segB , LOW);
digitalWrite(segG , HIGH);
digitalWrite(segE , LOW);
digitalWrite(segD , HIGH);
digitalWrite(segC , HIGH);
digitalWrite(segF , HIGH);
}
void six(){

digitalWrite(segA , HIGH);
digitalWrite(segF , HIGH);
digitalWrite(segG , HIGH);
digitalWrite(segC , HIGH);
digitalWrite(segD , HIGH);
digitalWrite(segE , HIGH);
digitalWrite(segB , LOW);
}
void seven(){

digitalWrite(segA , HIGH);
digitalWrite(segB , HIGH);
digitalWrite(segC , HIGH);
digitalWrite(segD , LOW);
digitalWrite(segE , LOW);
digitalWrite(segF , LOW);
digitalWrite(segG , LOW);}
void eight(){

digitalWrite(segA , HIGH);
digitalWrite(segF , HIGH);
digitalWrite(segG , HIGH);
digitalWrite(segC , HIGH);
digitalWrite(segD , HIGH);
digitalWrite(segE , HIGH);
digitalWrite(segB , HIGH);
}
void nine (){

digitalWrite(segA , HIGH);
digitalWrite(segF , HIGH);
digitalWrite(segG , HIGH);
digitalWrite(segC , HIGH);
digitalWrite(segD , HIGH);
digitalWrite(segE , LOW);
digitalWrite(segB , HIGH);
}
void ZERO (){
  for(int x = 22 ; x<=27 ; x++){
  digitalWrite(x , HIGH);}
  digitalWrite(28 , LOW);

}
void ONE (){
  digitalWrite(22 , LOW);
  digitalWrite(23 , HIGH);
  digitalWrite(24 , HIGH);
  for(int x = 25 ; x<=28 ; x++){
  digitalWrite(x , LOW);}
}
void TWO (){
  digitalWrite(22 , HIGH);
  digitalWrite(23 , HIGH);
  digitalWrite(28 , HIGH);
  digitalWrite(26 , HIGH);
  digitalWrite(25 , HIGH);

}
 
void setup() {
for(int i = 2 ; i<= 28 ; i++){
  pinMode(i , OUTPUT);
}


Serial.begin(9600);}

void loop() {
  zero();
  ZERO();
  delay(1000);
  one();
  ZERO();
  delay(1000);
  two();
  ZERO();
  delay(1000);
  three();
  ZERO();
  delay(1000);
  four();
  ZERO();
  delay(1000);
  five();
  ZERO();
  delay(1000);
  six();
  ZERO();
  delay(1000);
  seven();
  ZERO();
  delay(1000);
  eight();
  ZERO();
  delay(1000);
  nine();
  ZERO();
  delay(1000);
  zero();
  ONE();
  delay(1000);
  one();
  ONE();
  delay(1000);
  two();
  ONE();
  delay(1000);
  three();
  ONE();
  delay(1000);
  four();
  ONE();
  delay(1000);
  five();
  ONE();
  delay(1000);
  six();
  ONE();
  delay(1000);
  seven();
  ONE();
  delay(1000);
  eight();
  ONE();
  delay(1000);
  nine();
  ONE();
  delay(1000);
  TWO();
  zero();
  delay(1000);
  }