import java.io.*;

class Main{
    public static void main(String[] args) throws Exception{

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int num = 0;

        while(true){

            String num1 = br.readLine();
            String[] num2 = num1.split(" ");
            int a = Integer.parseInt(num2[0]);
            int b = Integer.parseInt(num2[2]);
            String op = num2[1];

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