import Data.List
import Text.Regex
import System.Random
import Data.Ord

type Point = (Float,Float)
type Color = (Int,Int,Int)
type Polygon = [Point]
type Person = [Int]
type Link =[Point]
type Placement = [(Person,Person)]

type EnergyFunction a              = a -> Int
type TemperatureFunction           = Int -> Int -> Float
type TransitionProbabilityFunction = Int -> Int -> Float -> Float
type MotionFunction a              = StdGen -> a -> (StdGen,a)

main = do
 putstr "Hello World! Let's have a picnic! \n"