diff --git a/README.md b/README.md
index a2ea75b..7eaf79b 100644
--- a/README.md
+++ b/README.md
@@ -1,163 +1,20 @@
-<!DOCTYPE html>
-<html lang="id">
-<head>
-<meta charset="UTF-8" />
-<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
-<title>Penghitung Beban Keledai</title>
-<style>
-  /* Reset and base */
-  *, *::before, *::after {
-    box-sizing: border-box;
-  }
-  body {
-    margin: 0;
-    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
-    background: linear-gradient(135deg, #a8dadc, #457b9d);
-    color: #1d3557;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    height: 600px;
-    max-width: 350px;
-    margin: auto;
-    padding: 1rem;
-  }
-  .container {
-    background-color: #f1faee;
-    border-radius: 1rem;
-    padding: 2rem;
-    width: 100%;
-    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-  }
-  h1 {
-    margin-bottom: 0.25rem;
-    font-weight: 700;
-    font-size: 1.8rem;
-    color: #1d3557;
-  }
-  p.subtitle {
-    margin-top: 0;
-    color: #457b9d;
-    font-weight: 500;
-    font-size: 1rem;
-    margin-bottom: 2rem;
-  }
-  label {
-    font-weight: 600;
-    font-size: 1rem;
-    align-self: flex-start;
-    margin-bottom: 0.25rem;
-  }
-  input[type="number"] {
-    width: 100%;
-    padding: 0.5rem 0.75rem;
-    font-size: 1.1rem;
-    border: 2px solid #a8dadc;
-    border-radius: 0.5rem;
-    transition: border-color 0.3s ease;
-  }
-  input[type="number"]:focus {
-    outline: none;
-    border-color: #1d3557;
-  }
-  button {
-    margin-top: 1.5rem;
-    background-color: #1d3557;
-    color: #f1faee;
-    border: none;
-    padding: 0.75rem 1.25rem;
-    font-size: 1.1rem;
-    font-weight: 700;
-    border-radius: 0.7rem;
-    cursor: pointer;
-    width: 100%;
-    transition: background-color 0.3s ease;
-  }
-  button:hover,
-  button:focus {
-    background-color: #457b9d;
-  }
-  .result {
-    margin-top: 2rem;
-    font-weight: 700;
-    font-size: 1.25rem;
-    text-align: center;
-    min-height: 2rem;
-  }
-  .safe {
-    color: #2a9d8f;
-  }
-  .warning {
-    color: #e63946;
-  }
-  @media (max-width: 400px) {
-    .container {
-      padding: 1rem;
-    }
-  }
-</style>
-</head>
-<body>
-  <div class="container" role="main" aria-live="polite">
-    <h1>Beban Maksimal Keledai</h1>
-    <p class="subtitle">Hitung apakah beban yang akan dibawa aman untuk keledai Anda.</p>
-    <form id="load-form" onsubmit="return false;">
-      <label for="weightInput">Masukkan berat beban (kg):</label>
-      <input
-        type="number"
-        id="weightInput"
-        name="weightInput"
-        min="1"
-        max="200"
-        placeholder="Contoh: 50"
-        required
-        aria-describedby="weightHelp"
-        inputmode="numeric"
-      />
-      <small id="weightHelp" style="color:#555; font-size:0.85rem;">Beban aman maksimal sekitar 50kg - 70kg (tergantung ukuran keledai)</small>
-      <button type="submit" id="calculateBtn">Hitung</button>
-    </form>
-    <div id="result" class="result" aria-live="assertive"></div>
-  </div>
-
-  <script>
-    (function(){
-      const form = document.getElementById('load-form');
-      const input = document.getElementById('weightInput');
-      const resultDiv = document.getElementById('result');
-
-      // Typical safe weight range for donkeys varies, often around 50kg-70kg
-      const safeWeightMin = 50;
-      const safeWeightMax = 70;
-
-      form.addEventListener('submit', () => {
-        const weight = parseFloat(input.value);
-        if (isNaN(weight) || weight < 1) {
-          resultDiv.textContent = "Tolong masukkan angka berat beban yang valid.";
-          resultDiv.className = "result warning";
-          return;
-        }
-        if (weight <= safeWeightMax) {
-          resultDiv.textContent = `Aman! Beban ${weight} kg sesuai untuk keledai Anda.`;
-          resultDiv.className = "result safe";
-        } else {
-          resultDiv.textContent = `PERINGATAN! Beban ${weight} kg terlalu berat untuk keledai Anda. Kurangi beban!`;
-          resultDiv.className = "result warning";
-        }
-      });
-
-      // Accessibility: Clear result on input change
-      input.addEventListener('input', () => {
-        resultDiv.textContent = '';
-        resultDiv.className = 'result';
-      });
-    })();
-  </script>
-</body>
-</html>
+def hitung_beban_maksimum(berat_keledai_kg):
+    """
+    Menghitung beban maksimum yang dapat dibawa keledai.
+    Rata-rata keledai dapat membawa 20%–30% dari berat badannya.
+    """
+    if berat_keledai_kg <= 0:
+        raise ValueError("Berat keledai harus lebih dari 0 kg.")
+    
+    beban_min = berat_keledai_kg * 0.2
+    beban_maks = berat_keledai_kg * 0.3
 
+    return beban_min, beban_maks
 
+def main():
+    berat = float(input("Masukkan berat keledai (kg): "))
+    beban_min, beban_maks = hitung_beban_maksimum(berat)
+    print(f"Beban ideal yang bisa dibawa: {beban_min:.2f} kg - {beban_maks:.2f} kg")
 
+if __name__ == "__main__":
+    main()
