import sys
import os
import pygame
import Tkinter
import tkMessageBox

#-------------------------------------------------------------------------
    #LOGIC
        farmerside = []
        wolfside = []
        goatside = []
        cabbageside = []

        if farmerPosition.left > 300:
            farmerside = RIGHT
        else:
            farmerside = LEFT

        if wolfPosition.left > 300:
            wolfside = RIGHT
        else:
            wolfside = LEFT

        if goatPosition.left > 300:
            goatside = RIGHT
        else:
            goatside = LEFT

        if cabbagePosition.left > 300:
            cabbageside = RIGHT
        else:
            cabbageside = LEFT

                if ((farmerside == RIGHT) and (wolfside == RIGHT) and (goatside == LEFT) and (cabbageside == LEFT)) or ((farmerside == LEFT) and (wolfside == LEFT) and (goatside == RIGHT) and (cabbageside == RIGHT)):

            if tkMessageBox.askyesno('Fail', 'The sheep has eaten the cabbage. Do you wish to Restart?'):
                main()
            else:
                quit()


if __name__ == '__main__':
    main()