import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        boolean end = false;
        while(sc.hasNextLine()){
            String[] str = sc.nextLine().split(" ");
            int a = Integer.parseInt(str[0]);
            int b = Integer.parseInt(str[2]);

            switch(str[1]){
            case "+":
                System.out.println(a + b);
                break;
            case "-":
                System.out.println(a - b);
                break;
            case "*":
                System.out.println(a * b);
                break;
            case "/":
                System.out.println(a / b);
                break;
            case "?":
                end = true;
                break;
            }
            if(end) 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