Task: Program Execution
Input (English): 4, ['N', 'u', '4013', 'D', '6607', '3743', '9565', 'R', 'B', '8461', 'A', '361', 'a', 'Z', 'u', '2769', 'D', '1877', 'C', '37', '9129', 'A', 'm', '4315', '5343', 'D', 'I', 'Y']
Output (English): N, u, 4013, D