public class HelloWorld {
        public static void main(String[] args) {
            System.out.println("Hello World");
        }
    }

class Solution {

public:

vector<int> twoSum(vector<int>& nums, int target) {

int n = nums.size();

vector<int> index;

for(int i = 0;i<n-1;i++)

{

int last = target - nums.at(i);

for(int j = i+1;j<n;j++)

{

if(nums.at(j) == last)

{

index.push_back(i);

index.push_back(j);

return index;

}

}

}

return index;

}

};