题解 | #进制转换#

import java.util.*;

public class Main{
    
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);
         while(scanner.hasNextLine()){
            String str = scanner.nextLine();
            System.out.println(Integer.parseInt(str.substring(2,str.length()),16));
        }
    }
}