import ast


class RewriteName(ast.NodeTransformer):

    def visit_Mult(self, node):
        return ast.Add()

    def visit_Sub(self, node):
        return ast.Mult()


def evaluate(line):
    line = line.replace("*", "-")[:-1]
    line = line.replace("+", "*")
    new = RewriteName().visit(ast.parse(line, mode='eval'))
    return eval(compile(new, '<string>', 'eval'))


with open(r"C:\Users\Maya\Desktop\Uni\WS_2021\AoC\input18") as f:
    lines = f.readlines()
    print(evaluate(lines[0]))
    print(sum([evaluate(l) for l in lines]))