import java.io.*;

public class Main{
    public static void main(String[]args) throws NumberFormatException, IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        while(true){
            

            String[]str= br.readLine().split(" ");
            int a = Integer.parseInt(str[0]);
            String op = (str[1]);
            int b = Integer.parseInt(str[2]);
            int result = 0;
            
            if("?".equals(op)){
                break;
            }else if("+".equals(op)){
                result=a+b;
            }else if("-".equals(op)){
                result=a-b;
            }else if("*".equals(op)){
                result=a*b;
            }else if("/".equals(op)){
                result=a/b;
            }
           
               System.out.println(result);
        }
    }
}
/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