#include<iostream>

using namespace std;

int main(){

int a;

int b;

char c;

while(cin>>a>>c>>b){

if(c=='+'){

cout<<a+b<<endl;

}

else if(c=='-'){

cout<<a-b<<endl;

}

else if(c=='*'){

cout<<a*b<<endl;

}

else{

cout<<a/b<<endl;

}

}

}