<meta charset="utf-8" />
<script>
function pulaLinha() {
document.write('<br>');
document.write('<br>');
}
function mostra(frase) {
document.write(frase);
pulaLinha();
}
var num = 30;
while (num >= 30 && num <= 40) {
if (num != 33 && num != 37) {
mostra(num);
}
num += 1;
}
mostra("fim");
</script>
