You are given a code:

def main_solution(x):
    return (func_15('wit') + func_13(x, '-'))

Can you predict the output of `main_solution("juykdqibtg")` 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": "juykdqibtg"}, "ref_output": "\u00abw\u00bb\u00abi\u00bb\u00abt\u00bbj-u-y-k-d-q-i-b-t-g", "ref_code": "def main_solution(x):\n    return (func_15('wit') + func_13(x, '-'))", "funcname": "main_solution"}
rule