import java.util.Scanner;

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

		while(true){
			int a = scan.nextInt();
			String op = scan.next();
			int b = scan.nextInt();

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

			System.out.println(calc(a,op,b));
		}
	}

	/**
	 * ?¨?????????????????????????????????????
	 * @param a int ???
	 * @param op String ?????????
	 * @param b int ???
	 * @return int?????§?¨???????????????????
	 */
	private static int calc(int a,String op,int b){
		int result = 0;

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