leetcode788

    public class Solution
    {
        public int RotatedDigits(int N)
        {
            int sum = ;
            for (int i = ; i <= N; i++)
            {
                var str = i.ToString();
                if ((str.Contains("") || str.Contains("") || str.Contains("") || str.Contains("")) && !str.Contains("") && !str.Contains("") && !str.Contains(""))
                {
                    sum++;
                }
            }
            return sum;
        }
    }