#include <iostream>
using namespace std;

int main(){
	int a,b;
	char c;

	while(1){
		cin>>a>>c>>b;
		if(c=='?')break;

		if(c=='+'){
			cout<<a+b<<endl;
		}
		else if(c=='-'){
			cout<<a-b<<endl;
		}
		else if(c=='*'){
			cout<<a*b<<endl;
		}
		else if(c=='/'){
			cout<<a/b<<endl;
		}
	}

	return 0;

}