You are given a code:

def main_solution(x):
    return func_11(func_23('syf', 3), 2)

Can you predict the output of `main_solution("empjsetk")` 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": "empjsetk"}, "ref_output": "uah1", "ref_code": "def main_solution(x):\n    return func_11(func_23('syf', 3), 2)", "funcname": "main_solution"}
rule