using System;
using System.Collections;

namespace testing
{
	class MainClass
	{




		public static void Main (string[] args)
		{
					byte one = 1 ;
					byte zero = 0 ;

				byte[] bits_array = { 1 , 1 , 1 , 1 } ;

				int k = 1 ;

				for ( int i = 1; i<=k ; i++ ) {

					// extracting least significant bit of last element of the array
					//byte last_bit = bits_array[bits_array.Length-1] & 1 ;
				    // Setting the first

					byte setting_bit = 0 ;
					for ( int y = 0 ; y < bits_array.Length ; y++ ) {
						if ( y == bits_array.Length-1 ) {
						   byte last_bit_to_be_circled = (bits_array[y] & one);
							if ( (setting_bit ^ (bits_array[y]>>7) )== one ) {
								if ( (bits_array[y]>>7) == zero) {
									bits_array[y] |= (setting_bit << 7);
								}

								else {
									bits_array[y] &= ~(one << 7);
								}
							}

						// Setting first element
						if ( (last_bit_to_be_circled ^ (bits_array[0]>>7) )== one ) {
								if ( (bits_array[0]>>7) == zero) {
									bits_array[y] |= (setting_bit << 7);
								}

								else {
									bits_array[1] &= ~(one << 7);
								}
							}


					}

					// extracting last bit of former element ( because i want it to set the next element of array )
					 setting_bit = bits_array[y] & one ;
					// Shift it with one position
					//bits_array >>=1;


					// setting the first bit in later element ( by the extracted bit )
					  // check if both bits are different ( if true then we must set it , else we do nothing
						if ( (setting_bit ^ (bits_array[y]>>7) )== 1 ) {
							if ( (bits_array[y]>>7) == 0) {
								bits_array[y] |= (setting_bit << 7);
							}

							else {
								bits_array[y] &= ~(1 << 7);
							}
						}



					}
				}

			foreach(byte test in bits_array ) {
				Console.WriteLine(test+" ");
			}








		}
	}
}