import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		while(true){
			String str = br.readLine();
			StringTokenizer st = new StringTokenizer(str, " ");
			int a = Integer.parseInt(st.nextToken());
			String op = st.nextToken();
			int b = Integer.parseInt(st.nextToken());

			int ans =0;

			if(op.equals("+")){
				ans = a + b;
				System.out.println(ans);
			}else if(op.equals("-")){
				ans = a - b;
				System.out.println(ans);
			}else if(op.equals("*")){
				ans = a * b;
				System.out.println(ans);
			}else if(op.equals("/")){
				ans = a / b;
				System.out.println(ans);
			}else if(op.equals("?")){
				break;
			}
		}
	}
}


/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