class Solution {
    public int[] twoSum(int[] numbers, int target) {
        int start = 0, end = numbers.length - 1;
        while(start < end){
            if(numbers[start] + numbers[end] == target) break;
            if(numbers[start] + numbers[end] < target) start++;
            else end--;
        }
        return new int[]{start + 1, end + 1};
    }
}