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[] list = br.readLine().split(" ");
			int num01 = Integer.parseInt(list[0]);
			int num02 = Integer.parseInt(list[2]);
			if (list[1].equals("+")) {
				System.out.println(num01 + num02);
			} else if (list[1].equals("-")) {
				System.out.println(num01 - num02);
			} else if (list[1].equals("*")) {
				System.out.println(num01 * num02);
			} else if (list[1].equals("/")) {
				System.out.println(num01 / num02);
			} 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