#include <iostream>
#include <cmath>
using namespace std;
int main() {
	long double a, b, sum;
	char z;
	cin >> a >> z >> b;
	if (z == '+') {
		sum = a + b;
	} else if (z== '-') {
		sum = a - b;
	} else if (z == '*') {
		sum = a * b;
	} else if (z == '/') {
		if (b==0){
			cout << "You can't divide by zero"<< endl;
            return 0;
		}
		sum = a / b;
	} else if (z == '%') {
		if (b==0){
			cout << "You can't take remainder of the division by zero"<< endl;
            return 0;
		}
		sum= fmod (a,b);
	}else if (z == '^') {
		sum=pow(a,b);
	}
	cout << a <<" "<< z <<" "<< b << " = " << sum << endl;
	return 0;                   
}