import java.util.*;

class Main{
	public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);
		while(scanner.hasNextLine()){
			String[] input = scanner.nextLine().split(" ");
			int a = Integer.parseInt(input[0]);
			int b = Integer.parseInt(input[2]);

			if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{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