<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="style.css">
    <title>Ugly Number Calculator</title>
</head>

<body>
    <header>
        <h1>Ugly Number Checker Calculator</h1>
    </header>
    <main>
        <div class="container">
            <label for="no">Enter the Number : </label>
            <input type="number" placeholder="Enter number(n)" class="number" required>
    