import java.io.BufferedReader;
import java.io.InputStreamReader;

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

        while(true){
        	int ans = 0;
        	String[] input = br.readLine().split(" "); 
            int a = Integer.parseInt(input[0]);
            String op = input[1]; 
            int b = Integer.parseInt(input[2]);
            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;
            }else{
            	break;
            }
            System.out.println(ans);
        }
        
    }
}
/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