import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a=sc.nextInt();String op =sc.next();int b=sc.nextInt();
		while (!op.equals("?")){
				if(op.equals("+")){
			System.out.println(a + b);
		}else if(op.equals("-")){
			System.out.println(a - b);
		}else if(op.equals("*")){
			System.out.println(a * b);
		}else if(op.equals("/")){
			System.out.println(a / b);
		}else {System.out.println("tas");}
				a=sc.nextInt();op =sc.next();b=sc.nextInt();}
				}
		}
/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