/**
* @param {number[]} numbers
* @param {number} target
* @return {number[]}
*/
var twoSum = function(numbers, target) {
let i = 0,
j = numbers.length - 1
while(i < j) {
const sum = numbers[i] + numbers[j]
if(sum === target) return [i+1 ,j+1]
if(sum < target) {
i++
continue
}
if(sum > target) {
j--
}
}
};