Task: Program Execution
Input (English): 10, 15, ['7935', 'P', 'Y', 'f', 'z', 'k', '8985', '9727', 'n', 'C', '6571', '5737', 'u', 'D', '7189', '6385', '1167', 'D', 'F', 'u', 's', 'c', '8637']
Output (English): C65715737uD7189