#!/usr/bin/python3
"""
Created on 14 Mar 2017

@author: David Doblas Jiménez
@email: daviddoji@pm.me

Solution for problem 1 of Project Euler
https://projecteuler.net/problem=1
"""

from utils import timeit


@timeit("Problem 1")
def compute():
    """
    If we list all the natural numbers below 10 that are multiples of 3 or 5,
    we get 3, 5, 6 and 9. The sum of these multiples is 23.

    Find the sum of all the multiples of 3 or 5 below 1000.
    """
    ans = sum(x for x in range(1000) if (x % 3 == 0 or x % 5 == 0))

    return ans


if __name__ == "__main__":

    print(f"Result for problem 1: {compute()}")