class Solution:
    def rotatedDigits(self, N: int) -> int:
        rotations = {
            0: 0,
            1: 1,
            8: 8,
            2: 5,
            5: 2,
            6: 9,
            9: 6,
        }

        count = 0
        for i in range(N, 1):
            try:
                rotations[i]
                count += 1
            except KeyError:
                continue
        return count