You are given a code:

def main_solution(x):
    return (func_15('eqplsh') + func_3('zav'))

Can you predict the output of `main_solution("xdqzdjf")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "xdqzdjf"}, "ref_output": "\u00abe\u00bb\u00abq\u00bb\u00abp\u00bb\u00abl\u00bb\u00abs\u00bb\u00abh\u00bbavz", "ref_code": "def main_solution(x):\n    return (func_15('eqplsh') + func_3('zav'))", "funcname": "main_solution"}
rule