Task: Program Execution
Input (English): 6, 12, ['1789', '9943', '7665', 'Y', 's', '4829', 'Z', 'W', 'r', '7421', '9863', '4811', 'z', '6323', 'h', 'K', 'N', '6227', 'f', '5435', 'G', '2473', '217', '7655', '7839']
Output (English): 118436891247rWZ9284