You are given a code:

def main_solution(x):
    return func_5(func_13(x, '|'), 'jag')

Can you predict the output of `main_solution("yadjfa")` 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": "yadjfa"}, "ref_output": "jagy|a|d|j|f|a", "ref_code": "def main_solution(x):\n    return func_5(func_13(x, '|'), 'jag')", "funcname": "main_solution"}
rule