library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;

entity  adder2 is
  port(
       op:in std_logic_vector(9 downto 0);
         k:in std_logic_vector(7 downto 0);
    result:out std_logic_vector(9 downto 0)); 
end adder2;

architecture maxpld of adder2 is
begin 
  result<=op+('0'&k);
end maxpld;