Task: Program Execution
Input (English): 18, ['3823', '4239', '6251', 'g', '3873', '225', 'r', '1189', 'o', '2617', 'B', 'C', 'N', '4849', '2473', 'Z', '455', '3395', '6537', 'D', 'L', 'd', '5285', 'F', 'v', '4919', 'y', 'Q', '2905', '8189', 'k', '9481', 'E', '3927', '6919', 'n', 'Y', '7499', '3697', '6767', '361', '8715', 'N', 'B']
Output (English): 3823, 6537, Y