#!/usr/bin/env python3
from ruamel.yaml import YAML
import sys
import json
from collections.abc import Mapping

def deep_merge_yaml(dict1, dict2):
    result = dict1.copy()
    for key, value in dict2.items():
        if key in result:
            if isinstance(result[key], list) and isinstance(value, list):
                result[key] = result[key] + value
            elif isinstance(result[key], Mapping) and isinstance(value, Mapping):
                result[key] = deep_merge_yaml(result[key], value)
            else:
                result[key] = value
        else:
            result[key] = value
    return result

def main():
    input_data = json.load(sys.stdin)
    file1 = input_data["file1"]
    file2 = input_data["file2"]

    yaml = YAML()
    yaml.indent(mapping=2, sequence=4, offset=2)

    with open(file1, "r") as f1, open(file2, "r") as f2:
        yaml1 = yaml.load(f1)
        yaml2 = yaml.load(f2)

    from io import StringIO
    output = StringIO()
    yaml.dump(merged, output)

    print(json.dumps({
        "merged_yaml": output.getvalue()
    }))


if __name__ == "__main__":
    main()