#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; break;

case '-':cout<<a-b; break;

case '*':cout<<a*b; break;

case '/':cout<<a/b; break;

}

cout<<endl;

}

}