import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner input = new Scanner(System.in);
        while(true){
        int x = input.nextInt();
        String n = input.next();
        int y = input.nextInt();
        if(n.equals("+")){
            System.out.println(x+y);
        }else if(n.equals("-")){
            System.out.println(x-y);
        }else if(n.equals("*")){
            System.out.println(x*y);
        }else if(n.equals("/")){
            System.out.println(x/y);
        }else if(n.equals("?")){
            break;
        }
        }
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz