Task: Program Execution
Input (English): 11, 18, ['Z', '7557', '475', '3051', 'g', 'x', '1575', '6209', 'u', 'o', 'o', '6953', 'n', 'H', '5399', '4939', 'l', '2869', '665', 'B', '7793']
Output (English): 2869l49395399Hn6953o