7-3 大数整除 (10分)

又是使用大整数存

import java.util.*;
import java.math.*;


public class Main{
    public static void main(String[] args){
        Scanner input = new Scanner(System.in);
        int cnt = 3;
        String n = input.next();
        BigInteger N = new BigInteger(n);
        BigInteger moreThanOne = new BigInteger("" + Long.MAX_VALUE);
        while(cnt != 0){
            moreThanOne = moreThanOne.add(new BigInteger("1"));
            if (moreThanOne.divide(N).multiply(N).equals(moreThanOne)){
                System.out.println(moreThanOne);
                cnt--;
            }
        }
    }
    
}