import java.io.*;
import java.util.*;

class Main
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        String op = sc.next();
        int b = sc.nextInt();
        
        while (!(op.equals("?"))) {
            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(a/b);
                    break;
            }
            a = sc.nextInt();
            op = sc.next();
            b = sc.nextInt();
        }
    }
}
/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