1)

var

 i, A, B, sum: integer;

begin

 sum := 0;

 read(A, B);

 for i := A to B do

 begin

   write(i, ' ');

   sum := sum + i;

 end;

 writeln;

 write(sum);

end.

2)

var

 i, N, count, num: integer;

begin

 count := 0;

 read(N);

 for i := 1 to N do

 begin

   read(num);

   if (num mod 4 = 0) then count := count + 1;

 end;

 if (count = 0) then

   write('NO')

 else

   write(count);

end.

3)

var

 i, a, b, c, d: integer;

begin

 read(a, b, c, d);

 for i := a to b do

 begin

   if (i mod d = c) then write(i, ' ');

 end;

end.