import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.lang.Math;

public class Main {
    public static void main(String[] args) {
        try {
            BufferedReader stdReader = new BufferedReader(new InputStreamReader(System.in));
            
            String line;
            
            while((line = stdReader.readLine()) != null) {
                String[] input = line.split(" ", 0);
                int a = Integer.parseInt(input[0]);
                int b = Integer.parseInt(input[2]);
                String mark = input[1];
                
                // mark?????????´?????????
                if(mark.equals("?")) {
                    break;
                }
                
                // ?¶???????
                if(mark.equals("+")) {
                    System.out.println(a + b);
                    continue;
                }
                // ?????????
                if(mark.equals("-")) {
                    System.out.println(a - b);
                    continue;
                }
                // ?????????
                if(mark.equals("*")) {
                    System.out.println(a * b);
                    continue;
                }
                // ?????????
                if(mark.equals("/")) {
                    System.out.println(a / b);
                    continue;
                }
                
            }
            stdReader.close();
        } catch(Exception e) {
            e.getStackTrace();
            System.exit(-1);
        }
    }
}
/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