#include <iostream>

int main() {
    int a = 0, b = 0, c = 0;
    char operation = 0;
    std::cin >> a >> operation >> b;
    switch (operation) {
    case '+':
        c = a + b;
        break;
    case '-':
        c = a - b;
        break;
    case '*':
        c = a * b;
        break;
    case '/':
        c = a / b;
        break;
    case '%':
        c = a % b;
        break;
    default:
        std::cout << "\nError\n";
        break;
    }
    std::cout << a << operation << b << '=' << c << '\n';
    return 0;
}