Submission #70983495

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Source Code Expand

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        
        String str = Integer.toString(X);
        List<Character> digits = new ArrayList<>();
        
        for (char c : str.toCharArray()) {
            digits.add(c);
        }
        
        Collections.sort(digits);
        
        if (digits.get(0) == '0') {
            for (int i = 1; i < digits.size(); i++) {
                if (digits.get(i) != '0') {
                    Collections.swap(digits, 0, i);
                    break;
                }
            }
        }
        
        StringBuilder result = new StringBuilder();
        for (char digit : digits) {
            result.append(digit);
        }
        
        System.out.println(result.toString());
        sc.close();
    }
}

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