int CommonAnode[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
int count=0;
int s =0;
void setup() {
  pinMode(10, INPUT_PULLUP);
  DDRD=B11111111;
}

void loop() {
  int x = digitalRead(10);
  if (x == HIGH && s == 0) {
    count++;
    PORTD=CommonAnode[count];
    s = 1;
  } 
  else if(x==LOW) {
    s = 0;
  }
  delay(1000);
}