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

public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringBuffer sb = new StringBuffer();

		while (true) {
			String[] array = br.readLine().split(" ");
			int a = Integer.parseInt(array[0]);
			int b = Integer.parseInt(array[2]);

			if ("?".equals(array[1])) {
				break;
			}
			if ("+".equals(array[1])) {
				sb.append((a + b)).append("\n");
			} else if ("-".equals(array[1])) {
				sb.append((a-b)).append("\n");
			} else if ("*".equals(array[1])) {
				sb.append((a*b)).append("\n");
			} else if ("/".equals(array[1])) {
				sb.append((a/b)).append("\n");
			}
		}

		System.out.print(sb.toString());
	}
}
/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