#include <iostream>
#include <iomanip>
#include "frac.h"

int main() {
    Fraction frac;
    std::string command;

    std::cin >> frac;

    while (std::cin >> command) {
        if (command == "+") {
            Fraction other;
            std::cin >> other;
            frac = frac + other;
        }
        else if (command == "-") {
            Fraction other;
            std::cin >> other;
            frac = frac - other;
        }
        else if (command == "*") {
            Fraction other;
            std::cin >> other;
            frac = frac * other;
        }
        else if (command == "/") {
            Fraction other;
            std::cin >> other;
            frac = frac / other;
        }
        else if (command == "+=") {
            Fraction other;
            std::cin >> other;
            frac += other;
        }
        else if (command == "-=") {
            Fraction other;
            std::cin >> other;
            frac -= other;
        }
        else if (command == "*=") {
            Fraction other;
            std::cin >> other;
            frac *= other;
        }
        else if (command == "/=") {
            Fraction other;
            std::cin >> other;
            frac /= other;
        }
        else if (command == "=") {
            Fraction other;
            std::cin >> other;
            frac = other;
        }
        else if (command == "show" || command == "print") {
            std::cout << frac << '\n';
        }
        else if (command == "double") {
            std::cout << std::fixed << std::setprecision(6) << static_cast<double>(frac) << '\n';
        }
        else if (command == "exit" || command == "quit") {
            break;
        }
    }

    std::cout << (frac < Fraction(1)) << '\n';
    return 0;
}