You are given a code:

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

Can you predict the output of `main_solution("djeojxjjt")` 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": "djeojxjjt"}, "ref_output": "a-d-t-d-j-e-o-j-x-j-j-t", "ref_code": "def main_solution(x):\n    return func_13(func_5(x, 'adt'), '-')", "funcname": "main_solution"}
rule