Task: Program Execution
Input (English): 5, ['4359', 'X', '7815', '9613', 'z', '2581', '6901', '2061', 'S', '9229', '9153', '8609', '4321', '615', '3085', '881']
Output (English): 2581, 6901, 2061, S, 9229, 9153, 8609, 4321, 615, 3085, 881