import java.text.DecimalFormat;
import java.util.*;

public class Main {
    public static void main(String[] args)  throws java.io.IOException{
        Scanner sc = new Scanner(System.in);
        while(true) {
            int a = sc.nextInt();
            String op = sc.next();
            int b = sc.nextInt();
            if(op.equals("?")){
                break;
            }else if (op.equals("+")){
                System.out.println(a + b);
            }else if (op.equals("-")){
                System.out.println(a - b);
            }else if (op.equals("*")) {
                System.out.println(a * b);
            }else if(op.equals("/")) {
                    System.out.println(a / b);
            }
        }
        sc.close();
    }
}
/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