#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;
}
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