using System;
using System.Text;

namespace SLAB6
{
    class MainClass
    {
        public static void Main (string[] args)
        {
            string oneStr, twoStr;
            oneStr = Console.ReadLine ();
            twoStr = Console.ReadLine ();
            Console.WriteLine ("Поиск строки в строке с начала = " + oneStr.IndexOf(twoStr));
            Console.WriteLine ("Поиск строки в строке с конца = " + oneStr.LastIndexOf(twoStr));


            oneStr = Console.ReadLine ();
            twoStr = Console.ReadLine ();
            string[] Pieces = oneStr.Split(twoStr[0]);
            foreach (string str2 in Pieces) {
                Console.WriteLine (str2);
            }


            int a = 38;
            Console.WriteLine("a = {0:d4}", a);
            int b = 255;
            Console.WriteLine("b = {0:X}", b);
            int c = 255;
            Console.WriteLine("c ={0:x}", c);
            double pi = 3.1415926;
            Console.WriteLine("pi = {0:f2}", pi);
            double d=1003.214;
            Console.WriteLine("d={0:c}", d);
            double e=213.1;
            Console.WriteLine("e={0:e}", e);
            DateTime dt = new DateTime(2018, 3, 9, 16, 5, 7, 123);
            Console.WriteLine("{0:y yy yyy yyyy}", dt);
            Console.WriteLine("{0:d dd ddd dddd}", dt);
            Console.WriteLine("{0:M MM MMM MMMM}", dt);


            StringBuilder MyStringBuilder = new StringBuilder("Hello World!");
            MyStringBuilder.Append(" What a beautiful day.");
            Console.WriteLine(MyStringBuilder);


            string str = Console.ReadLine ();
            int len = str.Length;
            int oldLen = len;
            len = len / 2;
            int i = 0;
            char temp;
            char[] chars = str.ToCharArray ();
            while (i < len) {
                temp = str [i];
                chars [i] = chars [oldLen - i -1];
                chars [oldLen - i - 1] = temp;
                i++;
            }
            Console.WriteLine (chars);
        }
    }
}