class Solution {
    public int[] twoSum(int[] nums, int target) {
        for(int i=0;i<nums.length;i++)
        {
            for(int j=i+1;j<nums.length;j++)
            {
                if(target==nums[i]+nums[j]){
                    return  new int[] {i,j};}
            }
          }

        throw new IllegalArgumentException("No two sum solution");

}
}