const int pins[] = {23, 22, 19, 18, 5, 21, 4};
const int data[10][8] = {
  {0, 0, 0, 0, 0, 0, 1}, // 0
  {1, 0, 0, 1, 1, 1, 1}, // 1
  {0, 0, 1, 0, 0, 1, 0}, // 2
  {0, 0, 0, 0, 1, 1, 0}, // 3
  {1, 0, 0, 1, 1, 0, 0}, // 4
  {0, 1, 0, 0, 1, 0, 0}, // 5
  {0, 1, 0, 0, 0, 0, 0}, // 6
  {0, 0, 0, 1, 1, 1, 1}, // 7
  {0, 0, 0, 0, 0, 0, 0}, // 8
  {0, 0, 0, 0, 1, 0, 0}  // 9
};
const int switchPin = 14;
int currentValue = 0;
int switchState;
int lastSwitchState = HIGH;
void setup() {
  for (int x = 0; x < 7; x++) {
    pinMode(pins[x], OUTPUT);
  }
  pinMode(switchPin, INPUT_PULLUP);
}

void loop() {
  switchState = digitalRead(switchPin);

  if (switchState == LOW && lastSwitchState == HIGH) {

    currentValue = (currentValue + 1) % 10;
  }
  for (int x = 0; x < 7; x++) {
    digitalWrite(pins[x], data[currentValue][x]);
  }
  lastSwitchState = switchState;
  delay(100);
}