Task: Program Execution
Input (English): 1, 3, ['8949', 'z', 'O', '9011', '5127', '7749', 'h', 'z', '5269', '4475', 'z', '4441', '1011', 'L', 'd', 'W', '3485', 'M', 'x', '3485', '4919', 'J']
Output (English): Oz9498