You are given a code:

def main_solution(x):
    return ('whiq' + 'euypn')

Can you predict the output of `main_solution("mnyqhzd")` 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": "mnyqhzd"}, "ref_output": "whiqeuypn", "ref_code": "def main_solution(x):\n    return ('whiq' + 'euypn')", "funcname": "main_solution"}
rule