import java.util.Scanner;

public class Main {
	public static void main(String args[]){
		Scanner scan = new Scanner(System.in); 
		
		int a, b;
		String op;
		
		for(;;){
			a = scan.nextInt();
			op = scan.next();
			b = scan.nextInt();
			
			if(op.equals("+")){
				System.out.println(a + b);
			}else if(op.equals("-")){
				System.out.println(a - b);
			}else if(op.equals("/")){
				System.out.println(a / b);
			}else if(op.equals("*")){
				System.out.println(a * b);
			}else if(op.equals("?")){
				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