using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter number:");

        string numberStr = Console.ReadLine();

        int i = Int32.Parse(numberStr);

        string numberPlus = "";

        while (true) {

            int result = 0;

            foreach (char c in numberStr) {

                i++;

                numberPlus = i.ToString();

                foreach (char c2 in numberPlus) {

​

                    if (c == c2) {

                        result = 1;

                        break;

                    }

                }

                if (result == 1)

                    break;

            }

            if (result == 0)

                break;

        }

        Console.WriteLine(numberPlus);

    }

}