#include <iostream>
using namespace std;
int main(){
  int a, b;
  char op;
  while(1){
    cin >> a >> op >> b;
    if (op=='?') break;
    if (op=='+') cout << a+b << endl;
    else if (op=='-') cout << a-b << endl;
    else if (op=='*') cout << a*b << endl;
    else cout << a/b << endl;
  }
}
