You are given a code:

def main_solution(x):
    return func_13(func_5('mtqis', 'pokd'), '-')

Can you predict the output of `main_solution("paqefogevg")` 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": "paqefogevg"}, "ref_output": "p-o-k-d-m-t-q-i-s", "ref_code": "def main_solution(x):\n    return func_13(func_5('mtqis', 'pokd'), '-')", "funcname": "main_solution"}
rule