#include<bits/stdc++.h> using namespace std; int main() { int a, c; string b; while (cin>>a>>b>>c) { if (b == "+") cout<<a + c<<endl; else if (b == "-") cout<<a - c<<endl; else if (b == "*") cout<<a * c<<endl; else if (b == "/") cout<<a / c<<endl; } }