Write a program to convert decimal numbers to their binary
representation.
Write a program to convert binary numbers to their decimal
representation.
Write a program to convert decimal numbers to their hexadecimal
representation.
Write a program to convert hexadecimal numbers to their decimal
representation.
Write a program to convert hexadecimal numbers to binary numbers.
Write a program to convert binary numbers to hexadecimal numbers.
07. Write a program to convert from any numeral system of given base s
to any other numeral system  of base d (2 ≤ s, d ≤  16).
Write a program that shows the binary representation of given 16-bit
signed integer number (the C# type short).