import java.util.*;
import java.io.*;
class Main{
    public static void main(String[] args)throws IOException{
	final BufferedReader br=new BufferedReader(new InputStreamReader(System.in));	
	while(true){
	    String[] str=br.readLine().split(" ");
	    int a = Integer.parseInt(str[0]);
	    String op=str[1];
	    int b=Integer.parseInt(str[2]);
	    if(op.equals("?")) break;
	    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));    
	}
    }
}
/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