import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

    public static void main(String[] args) throws IOException {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        try{
//          ?????°????????????????????????????§????????????????????????????????????????1???????????????????????????????????????
            while(true){

                String input = br.readLine();
                String[] strArray = input.split(" ");

                int a = Integer.parseInt(strArray[0]);
                String op = strArray[1];
                int b = Integer.parseInt(strArray[2]);

                int ans = 0;

//              op???"?"?????¨??????????????????
                if(op.equals("?")){
                    break;
                }

                if(op.equals("+")){
                    ans = a + b;
                }
                if(op.equals("-")){
                    ans = a - b;
                }
                if(op.equals("*")){
                    ans = a * b;
                }
                if(op.equals("/")){
                    ans = a / b;
                }
                System.out.println(ans);
            }

        }catch(ArithmeticException ex){
                System.err.println(ex);
        }
    }
}
/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