#include <iostream>
using namespace std;
int main()
{
    long double a,b,sum;
    char z;
    cin >> a>>z>>b;
 	if (z=='+'){
                   sum=a+b;
                   cout << "= " << sum << endl;
                  return 0;
                   }
                   
    else if (z=='-'){
                   sum=a-b;
                   cout << "= " << sum << endl;
                   return 0;
                   }
                   
    else if (z=='*'){
                   sum=a*b;
                   cout << "= " << sum << endl;
                   return 0;
                   }
return 0;                   
}