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

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int MAX=20000;
        int MIN=0;
        
        while(true){
            String[] data=reader.readLine().split(" ");
            final int a=Integer.parseInt(data[0]);
            final int b=Integer.parseInt(data[2]);
            
            if(data[1].equals("?")) break;
        
            if((MIN<=a && a<=MAX) && (MIN<=b && b<=MAX)){
                if(data[1].equals("+")) System.out.print(a+b+"\n");
                else if(data[1].equals("-")) System.out.print(a-b+"\n");
                else if(data[1].equals("*")) System.out.print(a*b+"\n");
                else if(data[1].equals("/")) System.out.print(a/b+"\n");
            }
        }
    }
}
/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