# Write a NumPy program (using NumPy) to sum of all the multiples of 3 or 5 below 100.  
import numpy as np
x = np.arange(1, 100)
# find  multiple of 3 or 5
n= x[(x % 3 == 0) | (x % 5 == 0)]
print(n[:1000])
# print sum the numbers
print(n.sum())
