You are given a code:

def main_solution(x):
    return (func_13('ejjdwf', '-') + func_20(x, 'bae'))

Can you predict the output of `main_solution("jbkcumawqb")` 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": "jbkcumawqb"}, "ref_output": "e-j-j-d-w-fjbbakecumawqb", "ref_code": "def main_solution(x):\n    return (func_13('ejjdwf', '-') + func_20(x, 'bae'))", "funcname": "main_solution"}
rule