program HienThiSoChan;
var
N, i: integer;
A: array[1..50] of integer;
begin
writeln('Nhap so nguyen duong N:');
readln(N);
writeln('Nhap day so A gom ', N, ' phan tu:');
for i := 1 to N do
begin
readln(A[i]);
if A[i] mod 2 = 0 then
begin
writeln('Phan tu thu ', i, ' la so chan: ', A[i]);
end;
end;
readln;
end.