class Solution:
    def twoSum(self, numbers: List[int], target: int) -> List[int]:

        left = 0
        right = len(numbers) - 1

        while(left < right):

            if (numbers[left] + numbers[right] > target):
                right -= 1
            elif (numbers[left] + numbers[right] < target):
                left += 1
            else:
                return [left + 1, right + 1]