#include <iostream>
using namespace std;

int Fib(int i)
{
    if (i == 0 || i == 1) return 1;
    return Fib(i - 1) + Fib(i - 2);
}

int main()
{
    /*int n;
    cin >> n;
    for (int i = 0; i < n; i++)
    {
        cout << Fib(i) << " ";
    }
    */

    double a, b, result;
    char c;
    cin >> a >> c >> b;

    switch (c)
    {
        case '+': result = a + b; break;
        case '-': result = a - b; break;
        case '*': result = a * b; break;
        case '/': result = a / b; break;
        default:break;
    }

    cout << a << c << b << "=" << result << endl;

    system("pause");
}