Task: Program Execution
Input (English): 1, 20, ['E', '1927', '5221', '5019', 'R', 'B', 'X', 'm', '67', '9005', '6591', '1251', '2221', '2157', 'C', 'O', '7653', '3821', 'z', '1613', '9701', 'o', 'q', '8645', 'C']
Output (English): 1613z38217653OC2157222112516591900567mXBR501952211927E