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(true){

		int ans=0;
		
		if(op.equals("?")){ 
			break;
		} else if (op.equals("+")){
			ans=a+b;
		} else if (op.equals("-")){
			ans=a-b;
		} else if (op.equals("*")){
			ans=a*b;
		} else if (op.equals("/")){
			ans=a/b;
		}

				System.out.println(ans);
				
				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