Task: Program Execution
Input (English): 5, 19, ['6729', 'k', '8371', 's', '2953', 'u', 's', 'A', 'Y', 'g', '7231', '6765', 'g', '3729', 'e', 'u', 'o', '1227', 'a']
Output (English): a1227oue3729g67657231gYAsu2953