Task: Program Execution
Input (English): 10, ['7405', '725', 'e', '8037', '4791', '791', '1471', '915', 'p', 'c', '7779', 'g', 'm', '2577', 'h', 'c', '6271', '7949', 'o', 'B', 'c']
Output (English): 7405, 7779, c