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));

		while (true) {
			String[] inputNum = br.readLine().split(" ");

			int a = Integer.parseInt(inputNum[0]);
			int b = Integer.parseInt(inputNum[2]);

			if (inputNum[1].equals("+")) {
				System.out.println(a + b);
			}else if (inputNum[1].equals("-")) {
				System.out.println(a - b);
			}else if (inputNum[1].equals("*")) {
				System.out.println(a * b);
			}else if (inputNum[1].equals("/")) {
				System.out.println(a / b);
			}else if (inputNum[1].equals("?")) {
				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