using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication6
{
    class Program
    {
   static void Main(string[] args)
        {
            string array_word_and_numeral = "qwertyuiopasdfghjklzxcvbnm1234567890йцукенгшщзхъфывапролджэячсмитьбюё";
            string array = Console.ReadLine();
            if (array.Length == 29)
            {
                int a = 0;
                int b = 0;
                int i = 0;
                int n = 0;
                for (int j = 0; j < 5; j++)
                {
                    for (; i < 5 + n; i++)
                    {
                        char[] chr = { array[i] };
                        string text = new string(chr);
                        if (array_word_and_numeral.Contains(text) == false)
                        {
                            a++;
                        }
                    }
                    if (a == 0)
                    {
                        n = n + 6;
                        i++;
                    }
                    else if (a != 0)
                    {
                        j = 5;
                    }
                }
                if (a == 0)
                {
                    for (int k = 5; k < array.Length; k = k + 6)
                    {
                        char[] chr = { array[k] };
                        string text = new string(chr);
                        if (text != "-")
                        {
                            b++;
                        }
                    }
                }
                if (a != 0 || b != 0)
                {
                    Console.WriteLine("False");
                }
                else if (a == 0 & a == 0)
                {
                    Console.WriteLine("True");
                }
            }
            else
            {
                Console.WriteLine("False");
            }
        }
    }
}