You are given a code:

def main_solution(x):
    return func_20(('frgua' + 'yjggdn'), func_13(x, '-'))

Can you predict the output of `main_solution("eohpzokfmr")` 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": "eohpzokfmr"}, "ref_output": "fer-gou-ahy-jpg-gzd-no-k-f-m-r", "ref_code": "def main_solution(x):\n    return func_20(('frgua' + 'yjggdn'), func_13(x, '-'))", "funcname": "main_solution"}
rule