题解 | #小乐乐改数字#

import java.util.Scanner;

/**
    现将输入数字变成字符串数组，然后分别处理，租后再转化成数字
*/
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[] arr = sc.next().split("");
        String res = "";
        for (int i = 0; i < arr.length; i++) {
            res += Integer.parseInt(arr[i]) % 2 == 0 ? 0 : 1;
        }
        System.out.println(Integer.parseInt(res));
        
    }
}