Task: Program Execution
Input (English): 3, 8, ['U', '6055', '7649', 't', '5437', 'J', '4725', '1739', 'a', '6267', '4201', '9355', 'W', 'L', '3189', 'E', 'W', '8163', '4149']
Output (English): 1739, 4725, J, 5437, t, 7649