def Equilibrum(ArrayList):
   N = len(ArrayList)
   EquilibrumIntegers = []

   for P in range(0,N+1):
      lowerBound = ArrayList[0:P]
      upperBound = ArrayList[P+1:N+1]
      

      if sum(lowerBound) == sum(upperBound):
        EquilibrumIntegers.append(P)

    

   if EquilibrumIntegers == []:
      return -1
   else:
      return EquilibrumIntegers
   #