#include<iostream>

using namespace std;

class Rational
{
public:
    Rational(long a, long b)
    {
        negetive = false;
        isZero = false;
        if (b == 0)
        {
            isZero = true;
            return;
        }
        if (a < 0)
        {
            negetive = !negetive;
        }
        if (b < 0)
        {
            negetive = !negetive;
        }
        integer = a / b;
        numerator = a - integer * b;
        denominator = abs(b);
        if (numerator < -1 || numerator > 1)
        {
            int gcd = CalcGCD(abs(numerator), denominator);
            if (gcd)
            {
                numerator /= gcd;
                denominator /= gcd;
            }
        }
        totalnumber = integer * denominator + numerator;
    }

    Rational operator+(const Rational& r)const
    {
        long a = totalnumber * r.denominator + r.totalnumber * denominator;
        long b = denominator * r.denominator;
        return Rational(a, b);
    }

    Rational operator-(const Rational& r)const
    {
        long a = totalnumber * r.denominator - r.totalnumber * denominator;
        long b = denominator * r.denominator;
        return Rational(a, b);
    }

    Rational operator*(const Rational& r)const
    {
        long a = totalnumber * r.totalnumber;
        long b = denominator * r.denominator;
        return Rational(a, b);
    }

    Rational operator/(const Rational& r)const
    {
        long a = totalnumber * r.denominator;
        long b = denominator * r.totalnumber;
        return Rational(a, b);
    }

private:
    long CalcGCD(long numerator, long denominator)
    {
        if (denominator == 0)
            return numerator;
        return CalcGCD(denominator, numerator % denominator);
    }

    friend ostream& operator<<(ostream& _cout, const Rational& r)
    {
        if (r.isZero)
        {
            _cout << "Inf";
            return _cout;
        }
        if (r.integer == 0 && r.numerator == 0)
        {
            _cout << "0";
            return _cout;
        }
        if (r.negetive)
        {
            _cout << "(-";
        }
        if (r.integer)
        {
            _cout << abs(r.integer);
            if (r.numerator)
            {
                _cout << " ";
            }

        }
        if (r.numerator)
        {
            _cout << abs(r.numerator) << "/" << r.denominator;
        }
        if (r.negetive)
        {
            _cout << ")";
        }
        return _cout;
    }

private:
    long numerator, denominator, integer, totalnumber;
    bool negetive;
    bool isZero;
};

int main()
{
    long int a1, b1, a2, b2;
    while (scanf("%lld/%lld %lld/%lld", &a1, &b1, &a2, &b2) != EOF)
    {
        Rational r1(a1, b1);
        Rational r2(a2, b2);
        cout << r1 << " + " << r2 << " = " << r1 + r2 << endl;
        cout << r1 << " - " << r2 << " = " << r1 - r2 << endl;
        cout << r1 << " * " << r2 << " = " << r1 * r2 << endl;
        cout << r1 << " / " << r2 << " = " << r1 / r2 << endl;
    }
    return 0;
}