The Janasena Party president Pawan Kalyan has to start its procession in an area in vijayawada where wind is blowing at a speed of 20kmh−1 along the north-east direction and party flags with the symbols of Hexagram ( six pointed star ), on the vehicles are fluttering. If the procession starts with a speed of 14.14kmh−1 towards north, find the direction fluttering of flags on the vehicles.