Program HOC24;
var a: array[1..32000] of integer;
i,n: integer;
begin
write('Nhap so phan tu cua mang: '); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
write('Mang vua nhap: ');
for i:=1 to n do write(a[i],' ');
writeln;
write('Cac so chan trong mang la: ');
for i:=1 to n do if a[i] mod 2=0 then write(a[i],' ');
writeln;
write('Cac so chinh phuong trong mang la: ');
for i:=1 to n do if if sqr(trunc(sqrt(a[i])))=a[i] then write(a[i],' ');
readln
end.