stack3

using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {

        string value = Console.ReadLine();
        Stack<int> stack = new Stack<int>();

        for (int i = 0; i <= value.Length - 1; i++)
        {
            char n = value[i];

            if (n>='0'&&n<='9')
            {
                int val = (int)Char.GetNumericValue(n);
                stack.Push(val);
            }

        }

        while (stack.Count > 0)
        {

            Console.Write("{0} ", stack.Pop());

        }


    }
}