Task: Program Execution
Input (English): 1, 3, ['L', '2361', 'b', 'B', 'o', 'u', 'A', 'w', '211', '7051', '767', '4207', '6187', '5221', '7641', '9353', 'D', '1699', 's', '9787', 'O', '3689', 'p', '3471', 'j', '3163']
Output (English): b2361L