uses crt;
Var i,n,dem:integer;
a: array[1..1000] of integer;
Begin
clrscr;
Write('Nhap do dai cua day: ');readln(n);
dem:=0;
for i:= 1 to n do
Begin
write('So thu ',i,' = ');
readln(a[i]);
if a[i] mod 2 = 0 then inc(dem);
end;
Writeln('Day so co ',dem,' so chan');
readln;
End.