import java.util.*;
import java.io.*;
import java.lang.*;
import java.math.*;
public class Main{
	public static void main(String[] args) throws IOException{
		Scanner stdIn=new Scanner(System.in);
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		while(true){
			String in=br.readLine();
			String[] s=in.split(" ");
			int a=Integer.parseInt(s[0]);
			String op=s[1];
			int b=Integer.parseInt(s[2]);
			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;
			case "?":return;
			}
		}
	}
}
/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