public boolean twoAsOne(int a, int b, int c) {
  return a + b == c || a + c == b || b + c == a;
}

public boolean twoAsOne(int a, int b, int c) {
  if (a + b == c) {
    return true;
  }
  else if (a + c == b) {
    return true;
  }
  else if (b + c == a) {
    return true;
  }
  else {
    return false;
  }
}