LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
--USE IEEE.STD_LOGIC_UNSIGNED.ALL;

ENTITY grab IS
PORT(
  Clk: in std_logic;
  Sw1: in std_logic;
  Sw2: in std_logic;
  Led1: out std_logic;
  Led2: out std_logic
  );
END grab;

ARCHITECTURE grab OF grab IS
BEGIN
 PROCESS(Clk)
 variable flag:std_logic;
 variable Number:integer range 1 to 10000000;
 BEGIN
  if Clk'event and Clk='0' then
   Number:=Number+1;
   if flag='1'and Number=10000000 then
    Led1<='0';
    Led2<='0';
    flag:='0';
   elsif flag='0' then
    if Sw1='1' then
     Led1<='1';
    elsif Sw2='1'then
     Led2<='1';
    end if;
    flag:='1';
    Number:=1;
   end if;
  end if;
 END PROCESS;
END grab;