Task: Program Execution
Input (English): 1, 7, ['633', 'e', 'C', 'V', '9911', '4209', '5839', '3773', '491', '881', '507', 'W', 'Y', 'f', 'Z', '3435', '277', 'h', '5039', '4535', 'U', '4579', '5471']
Output (English): 633, 3773, Z, 4579