Task: Program Execution
Input (English): 2, 6, ['1279', 'N', '7077', 'f', '5513', 'T', 'f', 'Y', '4219', 'm', '9361', '8043', '8471', '5023', 'c', 'O', '2107', '6897', '1325', 'M']
Output (English): N, Y, 5023, M