#include <SevSeg.h>

SevSeg sevseg;

long number = 13145134;

void setup() {
  byte numDigits = 4;
  byte digitPins[] = {2, 3, 4, 5}; 
  byte segmentPins[] = {6, 7, 8, 9, 10, 11, 12, 13}; 

  sevseg.begin(COMMON_CATHODE, numDigits, digitPins, segmentPins);
  sevseg.setBrightness(90);
  number = abs(number) % 10000;
}

void loop() {
  sevseg.setNumber(number);
  sevseg.refreshDisplay();
}