program

class Program
    {
            static void verify(string input, int res)
        {
            Calculate line = new Calculate(input);
            int got = line.calculateIt();
            if (got != res) Console.Write("For " + input + " Value = " + got + " Expexted : " + res + "\n");
        }
        static void verify(string input, string res)
        {
            CalculateX line = new CalculateX(input);
            string got = line.calculateIt();
            if (Convert.ToBoolean(string.Compare(got,res)) ) Console.Write("For " + input + " Value = " + got + " Expexted : " + res + "\n");
        }
        static void runTests()
        {
            verify("15+5*11", 70);
            verify("-24-16+77", 37);
            verify("12*3*7-15*8", 132);
            verify("-15*9+65", -70);
            verify("3-2*-5*3*-2+7", -50);
            verify("5*12*-5*-3", 900);
            verify("7+9*-4+23", -6);
            verify("12+(22+5*-3-15)", 4);
            verify("((5-2)*3)-9", 0);
            verify("-(10-15)*5+23", 48);
            verify("(5-1)*(2-4)", -8);
            verify("12+(-12+7)*5", -13);
            verify("[([5-2]*[3])-9]", 0);
            verify("2*x-6+x 4 7", "6 9 12 15 ");
            verify("2*q-6+q 4 7", "6 9 12 15 ");
            verify("4^2*3", 48);
            verify("4*-3^2", -36);
            verify("(5-1)^(4-2)", 16);
            verify("(-1)^(4-2)", 1);
            verify("(-2)^(3)", -8);
        }
        static void Main(string[] args)
        {
            runTests();
            string input = Console.ReadLine();

                CalculateX line = new CalculateX(input);
                string res = line.calculateIt ();
                Console.Write(res);

            Console.ReadKey();
        }
    }