public static String balancedSums(List<Integer> arr) {
// Write your code here
    long total = 0l;
    for(Integer i : arr){
        total = total + i;
    }
    long leftSum =0L;
    long righSum = 0L;
    for(int i= 0; i < arr.size(); i++){
        righSum = total - leftSum - arr.get(i);
        if(righSum == leftSum){
            return "YES";
        }
        leftSum = leftSum + arr.get(i);
    }
    return "NO";
}