#include <iostream>
using namespace std;
int main(){
	int a,b;
	char op;
	while(1){
		cin>> a >> op >> b;
		if(op == '?') break;
		else if(op=='+') cout<< a+b <<endl;
		else if(op=='-') cout<< a-b <<endl;
		else if(op=='*') cout<< a*b <<endl;
		else if(op=='/') cout<< a/b <<endl;
	
	}
}