import java.io.*;
public class Main {
    public static void main(String[] args) throws IOException{
      BufferedReader buf=new BufferedReader(new InputStreamReader(System.in));
      
      while(true){
      String[] num=buf.readLine().split(" ");
      int  x=Integer.parseInt(num[0]);
      int y=Integer.parseInt(num[2]);
      
          if(num[1].equals("+"))
              System.out.println(x+y);
          else if(num[1].equals("-"))
              System.out.println(x-y);
          else if(num[1].equals("*"))
              System.out.println(x*y);
          else if(num[1].equals("/"))
              System.out.println(x/y);
          else 
                    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