题解 | #小乐乐改数字#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        StringBuffer sb = new StringBuffer();
        String a = in.next();
        for(int i = 0;i < a.length();i++){
            sb.append(Integer.parseInt(String.valueOf(a.charAt(i)))%2);
        }    
        System.out.print(Long.parseLong(sb.toString()));
    }
}