import java.util.Scanner;

class Main {

	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);

		int str1 = scan.nextInt();
		String str = scan.next();
		int str2 = scan.nextInt();
		
		while(!str.equals("?")){
			int x = 0;
			if((str.equals("+"))){
				x = str1 + str2;
				System.out.println(x);
			}else if((str.equals("-"))){
				x = str1 - str2;
				System.out.println(x);
			}else if((str.equals("*"))){
				x = str1 * str2;
				System.out.println(x);
			}else if((str.equals("/"))){
				x = str1 / str2;
				System.out.println(x);
			}
			str1 = scan.nextInt();
			str = scan.next();
			str2 = scan.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