# Template: Solution Structure
# Usage: Use this structure when submitting an submission.

def solve(input_data):
    """
    Main entry point for the solution.
    Args:
        input_data: The input provided by the test runner.
    Returns:
        The calculated result.
    """
    # TODO: Implement your logic here
    result = None
    return result

# Helper functions can be defined outside
def helper():
    pass