Task: Program Execution
Input (English): 7, ['9753', '1429', 'E', '3973', '4385', 'h', 'X', '8579', 'q', 'M', 'd', 'G', 'T', 'F', '7871', '5351', 'U', 'i', 'g', '6447']
Output (English): 9753, 8579, 7871