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

/**
 * http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ITP1_4_C
 * 
 * @author chrone
 * 
 */
public class Main {
    public static void main(String[] args) {
        try {
            BufferedReader stdReader = new BufferedReader(
                    new InputStreamReader(System.in));
            
            String sStr;
            while ((sStr = stdReader.readLine()) != null) {
                String[] inputs = sStr.split(" ");
                
                int a = Integer.valueOf(inputs[0]);
                String op = inputs[1];
                int b = Integer.valueOf(inputs[2]);
                
                if (op.equals("?")) {
                    break;
                    // nothing to do.
                }
                
                switch (op) {
                    case "+":
                        System.out.println(a + b);
                        break;
                    case "-":
                        System.out.println(a - b);
                        break;
                    case "*":
                        System.out.println(a * b);
                        break;
                    case "/":
                        System.out.println((int)(a / b));
                        break;
                }
            }
            stdReader.close();
        } catch (Exception e) {
            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