using System;
using System.Collections.Generic;
class Enigmanation
{
    static void Main()
    {
        string input = Console.ReadLine();
        List<double> numbers = new List<double>();
        List<char> signs = new List<char>();
        double resultBrackets = 0;
        List<double> numbersBrackets = new List<double>();
        List<char> signsBrackets = new List<char>();
        int numBra = 0;
        for (int posOfIndex = 0; posOfIndex < input.Length; posOfIndex++)
        {
            if (Char.IsDigit(input[posOfIndex]))
            {
                numbers.Add(Convert.ToDouble(Convert.ToInt32(input[posOfIndex]) - 48));
            }
            if (input[posOfIndex] == '+' || input[posOfIndex] == '-' || input[posOfIndex] == '*' || input[posOfIndex] == '/' || input[posOfIndex] == '%')
            {
                signs.Add(input[posOfIndex]);
            }
            if (input[posOfIndex] == '(')
            {
                numBra = posOfIndex;
                numbersBrackets.Clear();
                signsBrackets.Clear();
                while (input[numBra] != ')')
                {
                    if (Char.IsDigit(input[numBra]))
                    {
                        numbersBrackets.Add(Convert.ToDouble(Convert.ToInt32(input[numBra] - 48)));
                    }
                    if (input[numBra] == '+' || input[numBra] == '-' || input[numBra] == '*' || input[numBra] == '/' || input[numBra] == '%')
                    {
                        signsBrackets.Add(input[numBra]);
                    }
                    numBra++;
                }
                resultBrackets = numbersBrackets[0];
                for (int k = 0; k < signsBrackets.Count; k++)
                {
                    if (signsBrackets[k] == '+')
                        resultBrackets = resultBrackets + numbersBrackets[k + 1];
                    if (signsBrackets[k] == '-')
                        resultBrackets = resultBrackets - numbersBrackets[k + 1];
                    if (signsBrackets[k] == '*')
                        resultBrackets = resultBrackets * numbersBrackets[k + 1];
                    if (signsBrackets[k] == '/')
                        resultBrackets = resultBrackets / numbersBrackets[k + 1];
                    if (signsBrackets[k] == '%')
                        resultBrackets = resultBrackets % numbersBrackets[k + 1];
                }
                numbers.Add(resultBrackets);
                posOfIndex = numBra;
            }
        }
        double result = numbers[0];
        for (int k = 0; k < signs.Count; k++)
        {
            if (signs[k] == '+')
                result = result + numbers[k + 1];
            if (signs[k] == '-')
                result = result - numbers[k + 1];
            if (signs[k] == '*')
                result = result * numbers[k + 1];
            if (signs[k] == '/')
                result = result / numbers[k + 1];
            if (signs[k] == '%')
                result = result % numbers[k + 1];
        }
        Console.WriteLine("{0:F3}", result);
    }

}