from collections import *



N = int(eval(input()))

ans = 0



for i in range(1, N+1):

    if i%3!=0 and i%5!=0:

        ans += i



print(ans)
N = int(eval(input()))

ans = 0



for i in range(1, N+1):

    if i%3!=0 and i%5!=0:

        ans += i



print(ans)
from collections import *

N = int(eval(input()))
ans = 0
for i in range(1, N + 1):
    if i % 3 != 0 and i % 5 != 0:
        ans += i
print(ans)

N = int(eval(input()))
ans = 0
for i in range(1, N + 1):
    if i % 3 != 0 and i % 5 != 0:
        ans += i
print(ans)

-from collections import * -