#include <iostream>
using namespace std;
int main()
{
int a ,b;
char c;
while (cin>>a>>c>>b)
{
switch (c)
{case '+':
cout<<a+b;
break;
case '-':
cout<<a-b;
break;
case '*':
cout<<a*b;
break;
case '/':
cout<<a/b;
break;}
}
return 0;
}