import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		while (true) {
			String[] lines = sc.nextLine().split(" ");
			int num1 = Integer.parseInt(lines[0]);
			int num2 = Integer.parseInt(lines[2]);
			int ans = 0;
			if(lines[1].equals("+")) {
				ans = num1 + num2;
			} else if(lines[1].equals("-")) {
				ans = num1 - num2;
			} else if(lines[1].equals("*")) {
				ans = num1 * num2;
			} else if(lines[1].equals("/")) {
				ans = num1 / num2;
			} else {
				break;
			}
			System.out.println(ans);
		}

	}
}
/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