import java.util.Arrays;
class Main
{
  public static void main (String[] args) throws java.lang.Exception
  {
     String str = "423545(50),7568787(50),53654656,2021947(50),";
     String[] list = str.split("(\\(\\d+\\))?,");
     System.out.println(Arrays.toString(list));
  }
}