Task: Program Execution
Input (English): 4, 15, ['i', 'r', '687', 'u', '3995', '2391', 'E', 'g', 't', '1709', 'H', 'i', 'T', 'U', 'C', 'Z', '4677', 'm']
Output (English): u39952391Egt1709HiTUC