Task: Program Execution
Input (English): 10, 14, ['5577', '2149', 'A', '2673', 'W', '3763', 's', 'E', '6627', 'L', 'f', 'R', 'N', 'D', '8807', 'z', 'J', '8423', 'x', '6599', '5645']
Output (English): DNRfL