You are given a code:

def main_solution(x):
    return (func_13(x, '|') + func_15('vswydj'))

Can you predict the output of `main_solution("kiyljwbe")` 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": "kiyljwbe"}, "ref_output": "k|i|y|l|j|w|b|e\u00abv\u00bb\u00abs\u00bb\u00abw\u00bb\u00aby\u00bb\u00abd\u00bb\u00abj\u00bb", "ref_code": "def main_solution(x):\n    return (func_13(x, '|') + func_15('vswydj'))", "funcname": "main_solution"}
rule