You are given a code:

def main_solution(x):
    return (func_5('annwty', 'cleg') + func_13('njnuix', '_'))

Can you predict the output of `main_solution("xdahe")` 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": "xdahe"}, "ref_output": "clegannwtyn_j_n_u_i_x", "ref_code": "def main_solution(x):\n    return (func_5('annwty', 'cleg') + func_13('njnuix', '_'))", "funcname": "main_solution"}
rule