import java.util.Scanner;

class Main{
	public static void main(String args[]){
		Scanner scan = new Scanner(System.in);
		for(int i=1;i<10001;i++){
			String val=scan.nextLine();
			String [] num=val.split(" ",0);
			int x=Integer.parseInt(num[0]);
			int y=Integer.parseInt(num[2]);
			if(num[1].equals("+")){
				System.out.println(x+y);
			}else if(num[1].equals("-")){
				System.out.println(x-y);
			}else if(num[1].equals("*")){
				System.out.println(x*y);
			}else if(num[1].equals("/")){
				System.out.println(x/y);
			}else{
				System.exit(0);
			}
		}
	}
}
/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