You are given a code:

def main_solution(x):
    return func_5('tyms', 'mzdi')

Can you predict the output of `main_solution("gptgded")` 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": "gptgded"}, "ref_output": "mzdityms", "ref_code": "def main_solution(x):\n    return func_5('tyms', 'mzdi')", "funcname": "main_solution"}
rule