Task: Program Execution
Input (English): 1, 10, ['O', '2991', 'X', '8161', 'P', 'a', 'o', '8115', 'l', '3807', '5771', 'A', 'D', '141', '9389', 'U', '3955', '3939', '1911', 'b', '583', 'z']
Output (English): O2991X8161Pao8115l3807