#include<iostream>
using namespace std;
int main(){
int a , b;
string op;
while(true){
cin >> a >> op >> b;
if(op == "?") break;
if(op == "+") cout << a+b << endl;
if(op == "-") cout << a-b << endl;
if(op == "*") cout << a*b << endl;
if(op == "/") cout << a/b << endl;
}
return 0;
}
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