Program BTT;
Uses crt;
Var A: array[1..500] of longint;
n,i,d: longint;
Begin
Clrscr;
Write('Nhap n: '); Readln(n);
d:=0;
For i:=1 to n do
Begin
Write('A[',i,'] = ');
Readln(A[i]);
If A[i] mod 2 = 0 then inc(d);
End;
Writeln('Co ',d,' so chan');
For i:=1 to n do
If A[i] mod 2 = 0 then Write(A[i],' ');
Readln
End.