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

class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        while (true) {
            String[] line = br.readLine().split(" ");
            int a = Integer.parseInt(line[0]);
            int b = Integer.parseInt(line[2]);
            if (line[1].equals("+")){
            	System.out.println(a + b);
            }
            else if (line[1].equals("-")) {
            	System.out.println(a - b);
            }
            else if (line[1].equals("*")){
            	System.out.println(a * b);
            }
            else if (line[1].equals("/")){
            	System.out.println(a / b);
            }
            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