import java.util.Random;

class timingTestLong {
  private static final int N = 1000000;

  public static void main(String[] args) {
    Long data[] = new Long[N];

    Random random = new Random();
    for (Integer index=0; index<N; index++ )
      data[index] = random.nextLong();

    Integer nTrials = Integer.parseInt(args[0]);
    Long grandSum = 0L;
    for (int trial = 0; trial < nTrials; trial++ ) {
      Long sum = 0L;
      for ( Integer i=0; index<N; i++ ) sum += data[i];
      grandSum += sum;
    }

    System.out.println(
      String.format("Grand sum = %d\n", grandSum)
    );
  }
}