#include<iostream>
 using namespace std;
 int main()
 { 
 long long int a,b;
 char opr;
 while(cin>>a>>opr>>b)
 { switch(opr){
  case '+':
   cout<<a+b<<endl;
   break;
  case '-':
   cout<<a-b<<endl;
   break;
  case '*':
   cout<<a*b<<endl;
   break;
  case '/':
   cout<<a/b<<endl;
   break;
}
 cout<<endl;
 }


 }