Java/com/study/demo/test2_5.java

package com.study.demo;

import java.util.Scanner;

public class test8 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int x = scanner.nextInt();
        int k = scanner.nextInt();
        int a = x / 1000 % k;
        int b = x / 100 % 10 % k;
        int c = x / 10 % 10 % k;
        int d = x % 10 % k;
        System.out.print(a);
        System.out.print(b);
        System.out.print(c);
        System.out.println(d);
    }
}