1.

var a,k: integer;

begin

k:=0;

readln(a);

while a<>0 do

begin

if a mod 4 = 0 then k:=k+1;

readln(a);

end;

writeln('k = ',k);

end.

Пример:

5

20

24

0

k = 2

2.

var a,k: integer;

begin

k:=0;

readln(a);

while a<>0 do

begin

if (a>9)and(a<100)and(a mod 10 = 4) then k:=k+1;

readln(a);

end;

writeln('k = ',k);

end.

Пример:

5

20

24

204

4

0

k = 1

Verified answer

Вот держите:

var     a,k:integer;

begin

repeat

readln(a);

if a mod 3 = 0 then inc(k);

until a=0;

writeln(k-1);

end.