Python : Divisor

#/usr/bin/python

a = int(raw_input())

#check for range
if a < 1 and a > 10**5:
    exit(0)

for j in range(0,a):
    #initialize
    sum = 0
    b = int(raw_input())
    if b < 1 and b > 10**9:
        exit(0)
    for i in range(1,b):
        if i % 3 == 0:
            sum = sum + i
        elif i % 5 == 0:
            sum = sum + i
    print sum