Task: Program Execution
Input (English): 1, 10, ['5921', 'a', '5761', '2431', '4867', 'V', 'v', 'n', '9711', 'c', 'v', 'i', 'a', '5673', '6121', 'A', '65', '2029', 'y', 'd', 'Z', 'C', 'U', 'Q', '4487']
Output (English): 5921, v, Z