Task: Program Execution
Input (English): 9, ['6853', 'Y', '4889', 'P', '8073', '679', '9533', '287', '6411', '6765', 'v', 'N', '1829', 'E', 'y', '5453', '9115', '8845', '6093', '4571', '8219', '6933']
Output (English): 6853, 6765, 6093