import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		while (sc.hasNext()) {
			String[] s = sc.nextLine().split(" ");
			int a = Integer.parseInt(s[0]);
			String op = s[1];
			int b = Integer.parseInt(s[2]);
			if ("?".equals(op)) {
				return;
			}
			if ("+".equals(op)) {
				System.out.println(a + b);
			} else if ("*".equals(op)) {
				System.out.println(a * b);
			} else if ("/".equals(op)) {
				System.out.println(a / b);
			} else if ("-".equals(op)) {
				System.out.println(a - b);
			}
		}
	}
}
/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