using System;

class Test
{
	static string[] n = {
		"ONE",
 		"TWO",
 		"THREE",
 		"FOUR",
 		"FIVE",
 		"SIX",
 		"SEVEN",
 		"EIGHT",
		"NINE"
	};
	static string DeCrypt(string s)
	{
		string a = s, d = "";
		int x = 1, p, i;
		while (a != "")
		{
			a = s;
			d = "";
			for (i = x; i <= 9 && a!=""; i++)
			{
				foreach (char c in n[i - 1])
				{
					p = a.IndexOf(c);
					if (p >= 0)
						a = a.Remove(p, 1);
					else
					{
						a = "!";
						x++;
						break;
					}
				}
				if (a == "!")
				{
					break;
				}
				d += i;
			}
		}
		return d;
	}
	public static void Main()
	{
		Console.WriteLine(DeCrypt("WNTEOO"));
		Console.WriteLine(DeCrypt("HSISIIXEEGEEVNNNT"));
	}
}