Task: Program Execution
Input (English): 2, 3, ['4095', 'M', 'D', '6225', 'f', '2453', 'r', 'r', '57', '8715', '1531', 'W', '3023', 'O', 'B', 'q', '1969']
Output (English): M, f, r, 1531, O, 1969