import java.util.*;
import java.lang.*;
import java.io.*;
 
class Ideone {
  public static void main (String[] args) {
    Arrays.stream(digitize(312123991239L)).forEach(System.out::print);
  }
 
  static int[] digitize(long l) {
    String value = String.valueOf(l);
    int[] array = new int[value.length()];
 
    for (int i = value.length() - 1, j = 0; i >= 0; i--, j++) {
      array[j] = Integer.parseInt(Character.toString(value.charAt(i)));
    }
 
    return array;
  }
}

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