uses crt;
var i,n,dem:integer;
a:array[1..1000] of integer;
begin
clrscr;
dem:=0;
write('n=');readln(n);
for i:=1 to n do
begin
write('a[',i,']=');readln(a[i]);
end;
for i:=1 to n do
begin
if a[i] mod 2 = 0 then
dem:=dem+1;
end;
writeln('co',n,'số chẵn trong dãy');
readln;
end.