namespace AdventOfCode;

public class CalibratorEvaluator
{
    public static int ObtainLineCalibration(string line)
    {
        var firstDigit = -1;
        var lastDigit = -1;

        foreach (var character in line)
        {
            if (char.IsDigit(character))
            {
                firstDigit = firstDigit == -1 ? (int)char.GetNumericValue(character) : firstDigit;
                lastDigit = (int)char.GetNumericValue(character);
            }
        }

        return firstDigit * 10 + lastDigit;
    }
}