import java.io.*;

class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		boolean end=false;
		while(!end){
			String[] array = br.readLine().split(" ");
	        int a = Integer.parseInt(array[0]);
	        int b = Integer.parseInt(array[2]);
	        switch(array[1].charAt(0)){
	        case '+':
	        	System.out.println(a+b);
	        	break;
	        case '-':
	        	System.out.println(a-b);
	        	break;
	        case '*':
	        	System.out.println(a*b);
	        	break;
	        case '/':
	        	System.out.println(a/b);
	        	break;
	        default:
	        	end=true;
	        	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