data class Coordinate(var x: Int, var y: Int) {
operator fun plus(c2: Coordinate2) = Coordinate(x + c2.x, y + c2.y)
}
enum class Direction (private val coordinate:Coordinate){
EAST(Coordinate(1,0)),
WEST(Coordinate(-1,0)),
SOUTH(Coordinate(0,1)),
NORTH(Coordinate(0,-1));
fun updateCoordinate(playerCoordinate:Coordinate)=Coordinate(playerCoordinate.x+coordinate.x,playerCoordinate.y+coordinate.y)
}
fun main() {
println(Direction.EAST.updateCoordinate(Coordinate(10, 20)))
}