Task: Program Execution
Input (English): 2, ['4647', '4507', 'e', '8277', '3489', '6633', '7955', '3455', 'd', '9947', 'u', 'd', '6109', 'h', '6421', 's', '6725', '1757', '2865', '3071']
Output (English): 4647, 4507