You are given a code:

def main_solution(x):
    return ('abvi' + 'gyiyn')

Can you predict the output of `main_solution("zmrqye")` 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": "zmrqye"}, "ref_output": "abvigyiyn", "ref_code": "def main_solution(x):\n    return ('abvi' + 'gyiyn')", "funcname": "main_solution"}
rule