import java.util.Scanner;

public class Main {
	public static void main(String [] args){
		Scanner scan = new Scanner(System.in);
		
		while(true){
			
			int a = scan.nextInt();
			char op = scan.next().charAt(0);
			int b = scan.nextInt();
			
			if(op == '?'){
				break;
			}
			if(op == '+'){
				System.out.println(a+b);
			}
			if(op == '-'){
				System.out.println(a-b);
			}
			if(op == '*'){
				System.out.println(a*b);
			}
			if(op == '/'){
				System.out.println(a/b);
			}
		}
	}
}
/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