# app.py
from flask import Flask, request
from werkzeug.urls import url_quote_plus

app = Flask(__name__)

def fizzbuzz(num):
    if num % 3 == 0 and num % 5 == 0:
        return "fizzbuzz"
    elif num % 3 == 0:
        return "fizz"
    elif num % 5 == 0:
        return "buzz"
    else:
        return str(num)

@app.route('/fizzbuzz', methods=['POST'])
def compute_fizzbuzz():
    data = request.json
    try:
        number = int(data['number'])
        return fizzbuzz(number)
    except (KeyError, ValueError):
        return "Invalid input: Please provide a valid number", 400

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)