# -*- coding: utf-8 -*-

# pyswip -- Python SWI-Prolog bridge
# Copyright (c) 2007-2018 Yüce Tekol
#  
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#  
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#  
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

#   S E N D
#   M O R E
# + -------
# M O N E Y
#
# So, what should be the values of S, E, N, D, M, O, R, Y
# if they are all distinct digits.

from __future__ import print_function
from pyswip import Prolog, Functor, Variable, call


def main():
    letters = "S E N D M O R Y".split()
    prolog = Prolog()
    sendmore = Functor("sendmore")
    prolog.consult("money.pl")
    
    X = Variable()
    call(sendmore(X))
    r = X.value
    for i, letter in enumerate(letters):
        print(letter, "=", r[i])
    print("That's all...")

if __name__ == "__main__":
    main()

