Task: Program Execution
Input (English): 4, 8, ['1263', '6093', 'D', 'O', 'N', 'b', 'u', '2679', 'b', 'Y', '6975', 'u', '8417', 'V', '3445', 'e', 'L', '4425', '5409', '4561', '9565', '5605']
Output (English): O, u, 4561