import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		String b = sc.next();
		int c = sc.nextInt();
		
		while (!b.equals("?")) {
			System.out.println(calc(a, b, c));
			a = sc.nextInt();
			b = sc.next();
			c = sc.nextInt();			
		}
	}
	
	public static int calc(int a, String b, int c) {
		int result = 0;
		
		if(b.equals("+")) result = a + c;
		else if (b.equals("-")) result = a - c;
		else if (b.equals("*")) result = a * c;
		else if (b.equals("/")) result = a / c;
		else if (b.equals("?")) result = 0;
		
		return result;
	}

}
/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