import java.util.Scanner;

public class Main {


        public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
    	int a, b;
    	String op;
    	while(scan.hasNext()){
        	a = scan.nextInt();
        	op = scan.next();
        	b = scan.nextInt();
    		switch(op){
    			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;
    		}
    		if(op == "?")
    			break;
    	}
        scan.close();
    }
}
/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