uses crt;
var i,s,n:integer;
a:array[1..1000] of integer;
begin
clrscr;
write('Nhap n: ');
readln(n);
for i:=1 to n do
begin
write('Nhap a[',i,']: ');
readln(a[i]);
if a[i] mod 2=0 then s:=s+a[i];
end;
writeln('Tong cac so chan: ',s);
readln;
end.
Vote mik nha :3