need a program for the arithmetic (negation=?iso-8859-1?Q?=2C_addition=2C_subtraction_and_multiplication_of_two_inte?=gers) of integers using 3’s complement...

need a program for the arithmetic (negation, addition, subtraction and
multiplication of two integers) of integers using 3's complement...

need a program for the arithmetic (negation of an integer, addition,
subtraction and multiplication of two integers) of integers using 3's
complement representation .The integers will use 8-ternary digit
positions, in which the left-most position will be used for sign.