}
}
public static void main(String[] args) {
IntListExtractor extractor = new IntListExtractorFileImpl();
List<Integer> ints = extractor.extract();
TwoSumCounter counter = new TwoSumCounterHashSetImpl(ints);
int result = 0;
for (Integer t: RANGE){
if (counter.count(t) > 0) {
result++;