public boolean love6(int a, int b) {
  if (a == 6 || b == 6) {
    return true;
  }
  else if (a + b == 6) {
    return true;
  }
  else if (a - b == 6 || b - a == 6) {
    return true;
  }
  else {
    return false;
  }
}

public boolean love6(int a, int b) {
  if (a == 6 || b == 6) {
    return true;
  }
  else if (a + b == 6) {
    return true;
  }
  else if ( Math.abs(a-b) == 6 ) {
    return true;
  }
  else {
    return false;
  }
}

public boolean love6(int a, int b) {
  boolean eitherIs6 = a == 6 || b == 6;
  boolean sumIs6 = a + b == 6;
  boolean diffIs6 = Math.abs(a-b) == 6;
  return eitherIs6 || sumIs6 || diffIs6;
}