You are given a code:

def main_solution(x):
    return func_20(('nyraw' + 'mqaljw'), func_15(x))

Can you predict the output of `main_solution("kmk")` 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": "kmk"}, "ref_output": "n\u00abykr\u00bba\u00abwmm\u00bbq\u00abakl\u00bbjw", "ref_code": "def main_solution(x):\n    return func_20(('nyraw' + 'mqaljw'), func_15(x))", "funcname": "main_solution"}
rule