[프로그래머스] 하샤드수

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class Solution {
    public boolean solution(int x) {
        boolean answer = true;
        int a = 0;
        int y = x;
        while(y >= 1){
            a += y % 10;
            y = y/10;
        };
        if(x % a != 0){
            answer = false;
        }
        return answer;
    }
}