# No.639 An Ordinary Sequence
import sys
sys.setrecursionlimit(10 ** 9)

def rec(x: int) -> int:
    if x == 0:
        return 1
    if x in memo:
        return memo[x]
    memo[x] = rec(x // 3) + rec(x // 5)
    return memo[x]


N = int(input())
memo = {}
print(rec(N))