Task: Program Execution
Input (English): 1, 2, ['z', '2953', 'R', '4949', '9961', '2081', '5589', 'd', '3715', 's', '2731', '2837', '6231', '9443', '1253']
Output (English): z, R, 9961, 5589, 3715, 2731, 6231, 1253