Task: Program Execution
Input (English): 8, 13, ['6121', 'T', '9023', '6729', '1677', '417', 'W', '9355', '3145', 'j', '221', '5259', '2481', 'g', '5653', '5339', '4759']
Output (English): 2481, 5259, 221, j, 3145, 9355