import java.util.*;
class Main{
    Scanner sc=new Scanner(System.in);
    void main(){
	while(true){
	    int a=sc.nextInt();
	    String op=sc.next();
	    int b=sc.nextInt();
	    if(op.equals("?"))break;
	    int ans=a+b;
	    if(op.equals("-"))ans=a-b;
	    if(op.equals("*"))ans=a*b;
	    if(op.equals("/"))ans=a/b;
	    System.out.println(ans);
	}
	
    }
    public static void main(String[]ag){
	new Main().main();
    }
}
/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