program Tin_hoc;
uses crt;
var n,i,tong:integer;
a: array [1..1000000] of integer;
begin
clrscr;
write('Nhap n: ');readln(n);
writeln('Nhap ',n,' so:');
tong:=0;
for i:=1 to n do
begin
write('a[',i,'] = ');
readln(a[i]);
if a[i] mod 4 = 0 then tong:= tong + a[i]
end;
writeln('Tong cac chu so chia het cho 4 trong ',n,' so vua nhap la: ',tong);
readln;
end.