Task: Program Execution
Input (English): 2, 10, ['x', '9243', 'G', '4605', 'U', 'd', '7945', '3115', '7977', '6783', '9719', 'D', '5851', 'G', '9689', '5441', '2283', 'r', 'T', 'c', 'l', 'Z', 's', '5659', 't', '2051', '6835', '2755']
Output (English): 6783797731157945dU4605G9243