You are given a code:

def main_solution(x):
    return func_13(('kaomp' + 'mymjvg'), '|')

Can you predict the output of `main_solution("wwfsnstwe")` 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": "wwfsnstwe"}, "ref_output": "k|a|o|m|p|m|y|m|j|v|g", "ref_code": "def main_solution(x):\n    return func_13(('kaomp' + 'mymjvg'), '|')", "funcname": "main_solution"}
rule