Task: Program Execution
Input (English): 2, 5, ['6955', '2123', 'P', 'F', 'e', '823', '1809', '3423', '8621', '631', '6281', 'k', 'w', '8561', '175', '4883', 'Y', 'W']
Output (English): 2123, 1809, k, Y