백준 2231번 - 분해합 (Java 8)

https://www.acmicpc.net/problem/2231

2231번: 분해합

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static int getSumOfDecomposed(int M) {
        int temp = M;
        int sum = 0;
        while(M != 0){
            sum += M%10;
            M/=10;
        }
        return temp + sum;
    }
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(br.readLine());

        int answer = 0;
        for(int i=0; i < N; i++){
            if(N == getSumOfDecomposed(i)){
                answer = i;
                break;
            }
        }
        System.out.println(answer);
    }
}