Task: Program Execution
Input (English): 1, 6, ['4773', '9601', 'N', 'm', 'Z', '7743', '3961', '1239', '4889', '4721', 'u', '8239', 'K', 'X', '7741', '4119', 'X', 'q', 'G', 'y', '3591']
Output (English): 47739601NmZ7743