Task: Program Execution
Input (English): 15, 18, ['4431', 'M', 'X', '7439', 'E', 's', 'S', 'h', '1715', '6887', 'f', '2365', 'F', '8865', '2153', 'N', '2243', 'N', '2223', '7033']
Output (English): 2153, N, 2243, N