Task: Program Execution
Input (English): 6, ['O', '201', 'r', '1893', '6771', 'M', '4217', '1233', 'a', 'f', 'v', '631', '1087', '209', '6435', '5027', 's', '3271', '4479', '993', 'd', '3363', 'e', '7301', '4173']
Output (English): O, 4217, 1087, 4479, 4173