int r = 11, g = 10, b = 9;

void init_() {
  analogWrite(r, 0);
  analogWrite(g, 0);
  analogWrite(b, 0);
  for (int z = 2; z <= 8; z++) {
    digitalWrite(z, HIGH);
  }
}

void red() {
  analogWrite(r,255);
  analogWrite(g,0);
  analogWrite(b, 0);
}

void green() {
  analogWrite(r,0);
  analogWrite(g,255);
  analogWrite(b, 0);
}

void yellow() {
  analogWrite(r,255);
  analogWrite(g,255);
  analogWrite(b, 0);
}

void zero() {
  int zero_digit[7] = {0,0,0,0,0,0,1};
  int aa = 0;
  for (int a = 2; a <= 8; a++) {
    digitalWrite(a, zero_digit[aa]);
    aa++;
  }  
}

void one() {
  int one_digit[7] = {1,0,0,1,1,1,1};
  int bb = 0;
  for (int b = 2; b <= 8; b++) {
    digitalWrite(b, one_digit[bb]);
    bb++;
  } 

}

void two(){
  int two_digit[7] = {0,0,1,0,0,1,0};
  int cc = 0;
  for (int c = 2; c <= 8; c++) {
    digitalWrite(c, two_digit[cc]);
    cc++;
  }
}

void three() {
  int three_digit[7] = {0,0,0,0,1,1,0};
  int dd = 0;
  for (int d = 2; d <= 8; d++) {
    digitalWrite(d, three_digit[dd]);
    dd++;
  }
}

void four() { 
  int four_digit[7] = {1,0,0,1,1,0,0};
  int ee = 0;
  for (int e = 2; e <= 8; e++) {
    digitalWrite(e, four_digit[ee]);
    ee++;
  }
}

void five() {
  int five_digit[7] = {0,1,0,0,1,0,0};
  int ff = 0;
  for (int f = 2; f <= 8; f++) {
    digitalWrite(f, five_digit[ff]);
    ff++;
  }
}

void six() {
  int six_digit[7] = {0,1,0,0,0,0,0};
  int gg = 0;
  for (int g = 2; g <= 8; g++) {
    digitalWrite(g, six_digit[gg]);
    gg++;
  }
}

void seven() { 
  int seven_digit[7] = {0,0,0,1,1,1,1};
  int hh = 0;
  for (int h = 2; h <= 8; h++) {
    digitalWrite(h, seven_digit[hh]);
    hh++;
  }
}

void eight() {
  int eight_digit[7] = {0,0,0,0,0,0,0};
  int ii = 0;
  for (int iii = 2; iii <= 8; iii++) {
    digitalWrite(iii, eight_digit[ii]);
    ii++;
  }
}

void nine() {
  int nine_digit[7] = {0,0,0,0,1,0,0};
  int jj = 0;
  for (int j = 2; j <= 8; j++) {
    digitalWrite(j, nine_digit[jj]);
    jj++;
  }
}

void count() {
  nine();
  delay(1000);
  eight();
  delay(1000);
  seven();
  delay(1000);
  six();
  delay(1000);
  five();
  delay(1000);
  four();
  delay(1000);
  three();
  delay(1000);
  two();
  delay(1000);
  one();
  delay(1000);
  zero();
  delay(1000);
  for (int z = 2; z <= 8; z++) {
    digitalWrite(z, HIGH);
  }
}

void setup() {
  for (int i = 2; i <= 8; i++) {
    pinMode(i, OUTPUT);
  }
  init_();
} 


void loop() {
  red();
  delay(1000);
  count();
  yellow();
  delay(1000);
  green();
  delay(1000);
  count();
}