import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		while(true){

			int a = sc.nextInt();
			String op = sc.next();
			int b = sc.nextInt();

			if(op.equals("?"))break;

			int ans = 0;

			switch(op){
			case "+":
				ans = a+b;
				break;
			case "-":
				ans = a-b;
				break;
			case "*":
				ans = a*b;
				break;
			case "/":
				ans = a/b;
				break;
			}

			System.out.printf("%d\n", 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