Random blockstate id from coordinate

import java.util.Random;

public class Main {
  public static void main(String[] args) {
    get_variant(7, 6, 19, 724);
  }

  public static void get_variant(int x, int y, int z, int weight) {
    Random random = new Randomget_random_seed(x, y, z));
    int output = Math.abs((int)random.nextLong()) % weight;
    System.out.println(output);
  }

  public static long get_random_seed(int x, int y, int z) {
    long long4 = (long)(x * 3129871) ^ z * 116129781L ^ (long)y;
    long4 = long4 * long4 * 42317861L + long4 * 11L;
    return long4 >> 16;
  }
}