import java.util.*;

class Program {
  public static int[] twoNumberSum(int[] array, int targetSum) {
    for(int idx1 = 0; idx1 < array.length; idx1++) {
      for(int idx2 = idx1 + 1; idx2 < array.length; idx2++) {
        if(array[idx1] + array[idx2] == targetSum) {
          return new int[] {array[idx1], array[idx2]};
        }
      }
    }
    return new int[0];
  }
}
