Task: Program Execution
Input (English): 4, ['7157', '7307', 'k', '3949', '4043', '8351', 'B', 'U', '6481', 'M', 's', 'u', 'i', 'a', '3367', '5735', '843', '8451', '3455', 'U', '9645']
Output (English): 7157, 7307, k, 3949