Task: Program Execution
Input (English): 5, 16, ['y', '3351', '4557', 'd', 'Z', 'z', '6921', 'O', 'K', '4179', 's', '117', 'U', 'A', '7775', 'B', '2769', '795']
Output (English): B5777AU711s9714KO1296zZ