Task: Program Execution
Input (English): 4, 6, ['u', 'F', 'k', 'z', 'U', '7307', '3281', 'N', 'Z', 's', '67', '6377', '7105', '5297', '6483', '2643', '2613', '2681', '8011', '3599']
Output (English): z, s, 2643