import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class Main{
    public static void main(String[] args) throws IOException{
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    	while(true){
            String[] strArr = br.readLine().split(" ");

            int a = Integer.parseInt(strArr[0]);
            String op = strArr[1];
            int b = Integer.parseInt(strArr[2]);

            if(op.equals("?")) break;

            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;
            	default:
            		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